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Vulnerability details: VCID-6jmj-n5mz-bba8
Vulnerability ID VCID-6jmj-n5mz-bba8
Aliases CVE-2026-24420
GHSA-7p9h-m7m8-vhhv
Summary 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
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-284 Improper Access Control
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00016 https://api.first.org/data/v1/epss?cve=CVE-2026-24420
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-7p9h-m7m8-vhhv
cvssv3.1 6.5 https://github.com/thorsten/phpMyFAQ
generic_textual MODERATE https://github.com/thorsten/phpMyFAQ
cvssv3.1 6.5 https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7p9h-m7m8-vhhv
cvssv3.1_qr MODERATE https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7p9h-m7m8-vhhv
generic_textual MODERATE https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7p9h-m7m8-vhhv
ssvc Track https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7p9h-m7m8-vhhv
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2026-24420
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-24420
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-24420
https://github.com/thorsten/phpMyFAQ
CVE-2026-24420 https://nvd.nist.gov/vuln/detail/CVE-2026-24420
GHSA-7p9h-m7m8-vhhv https://github.com/advisories/GHSA-7p9h-m7m8-vhhv
GHSA-7p9h-m7m8-vhhv https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7p9h-m7m8-vhhv
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/thorsten/phpMyFAQ
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7p9h-m7m8-vhhv
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-26T15:00:41Z/ Found at https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-7p9h-m7m8-vhhv
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-24420
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.03833
EPSS Score 0.00016
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:52:44.341412+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/24xxx/CVE-2026-24420.json 38.6.0