CVE-2026-47366_CVE-2026-47366

7.2 / 10

HIGH

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Description

Improper verification of access permissions when modifying permissions through the Administration Control Panel (ACP) allowed an authenticated administrator to grant permissions beyond the level authorized for their account, resulting in privilege escalation within the administrative interface.

Basic Information

ID CVE-2026-47366

Source hackerone

Published Jun 12, 2026 at 02:27

Affected Product

Vendor phpBB

Product phpBB

Version 3.3.0

Affected Versions phpBB phpBB 3.3.0

CWE Classification

CWE-284

References

www.phpbb.com /community/viewtopic.php

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    "lastseen": "",
    "description": "Improper verification of access permissions when modifying permissions through the Administration Control Panel (ACP) allowed an authenticated administrator to grant permissions beyond the level authorized for their account, resulting in privilege escalation within the administrative interface.",
    "published": "2026-06-12T02:27:43.441Z",
    "modified": "2026-06-12T02:27:43.441Z",
    "type": "cve",
    "title": "CVE-2026-47366",
    "source": "hackerone",
    "references": "https://www.phpbb.com/community/viewtopic.php?t=2672170",
    "id": "CVE-2026-47366",
    "bulletinFamily": "",
    "cwe": [
        "CWE-284"
    ],
    "cvelist": null,
    "sourceData": "phpBB phpBB 3.3.0",
    "sourceHref": "",
    "cvss": {
        "score": 7.2,
        "severity": "HIGH",
        "vector": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
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            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "phpBB",
    "version": "3.3.0",
    "vendor": "phpBB",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}