CVE-2026-85593

    Dashboard / Vulnerabilities / CVE-2026-85593

    CVE-2026-85593

    Published: 4 Sept 2026Last Modified: 16 Sept 2026

    Summary: phpMyFAQ before 4.1.8 Stored XSS via html_entity_decode

    Details: phpMyFAQ versions before 4.1.8 contain a stored cross-site scripting vulnerability in FaqHelper::convertOldInternalLinks() that calls html_entity_decode() on sanitized FAQ content, reversing entity-encoding protection. Authenticated users with FAQ editing privileges can inject JavaScript payloads that execute in the browsers of all users viewing the affected FAQ pages.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85593.json, https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-x6qj-5jhf-xgpm, https://nvd.nist.gov/vuln/detail/CVE-2026-85593, https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.8-stored-xss-via-html-entity-decode

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -33fae25ebac875a06041ce47300b554c5da715d0

    Affected versions

    4.1.7
    4.1.6
    4.1.4
    4.1.3
    4.1.2
    4.1.1
    4.1.0
    4.1.0-RC.7
    4.1.0-RC.6
    4.1.0-RC.5
    4.1.0-RC.4
    4.1.0-RC.2
    4.1.0-RC
    4.1.0-beta.2
    4.1.0-beta
    4.1.0-alpha.3
    4.1.0-alpha.2
    4.1.0-alpha

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-85593 | CVE-DB