PHP
CVE-2026-24420
MEDIUM
GHSA-7p9h-m7m8-vhhv
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
4DescriptionGitHub Advisory
phpMyFAQ is an open source FAQ web application. Versions 4.0.16 and below allow an authenticated user without the dlattachment permission to download FAQ attachments due to a incomprehensive permissions check. The presence of a right key is improperly validated as proof of authorization in attachment.php. Additionally, the group and user permission logic contains a flawed conditional expression that may allow unauthorized access. This issue has been fixed in version
AnalysisAI
Authenticated users in phpMyFAQ 4.0.16 and below can bypass permission checks to download FAQ attachments they should not have access to, due to improper validation of authorization tokens in attachment.php and flawed permission logic. An attacker with valid credentials but without the dlattachment permission can exploit this to retrieve sensitive attachment content. Public exploit code exists for this vulnerability, and no patch is currently available.
Technical ContextAI
Classified as CWE-284 (Improper Access Control). Affects Phpmyfaq. phpMyFAQ is an open source FAQ web application. Versions 4.0.16 and below allow an authenticated user without the dlattachment permission to download FAQ attachments due to a incomprehensive permissions check. The presence of a right key is improperly validated as proof of authorization in attachment.php. Additionally, the group and user permission logic contains a flawed conditional expression that may allow unauthorized access. This issue has been fixed in version
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-284 – Improper Access Control
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External POC / Exploit Code
Leaving vuln.today