hoppscotch: Stored XSS via mock server responses on backend origin_CVE-2026-34932

{
    "lastseen": "",
    "description": "hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability that can lead to CSRF. This issue has been patched in version 2026.3.0.",
    "published": "2026-04-02T19:19:15.697Z",
    "modified": "2026-04-06T14:07:40.655Z",
    "type": "cve",
    "title": "hoppscotch: Stored XSS via mock server responses on backend origin",
    "source": "GitHub_M",
    "references": "https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-wj4r-hr4h-g98v\nhttps://github.com/hoppscotch/hoppscotch/releases/tag/2026.3.0",
    "id": "CVE-2026-34932",
    "bulletinFamily": "",
    "cwe": [
        "CWE-79"
    ],
    "cvelist": null,
    "sourceData": "hoppscotch hoppscotch < 2026.3.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.5,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "hoppscotch",
    "version": "< 2026.3.0",
    "vendor": "hoppscotch",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}