phpMyFAQ - Path Traversal in Client::deleteClientFolder via URL Parameter

published 2026-05-06 6 mo ago modified 2026-11-08 19 h ago also EUVD-2026-30593 , GHSA-gh9p-q46p-57g2

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits: 0; none known

phpMyFAQ before 4.1.2 contains a path traversal vulnerability in Client::deleteClientFolder that allows admins with INSTANCE_DELETE permission to delete arbitrary directories. Attackers can submit traversal sequences like https://../../../<path> in the client URL parameter to recursively delete directories outside the intended clientFolder scope.

Patch / fix

fixed in 3

packagist thorsten/phpmyfaq 4.1.2
packagist phpmyfaq/phpmyfaq 4.1.2
thorsten phpmyfaq 4.1.2

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-05-18)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CNA	4.0	7.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
GitHub	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CNA	4.0	7.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected packages

ecosystem	package	affected	fixed in
packagist	thorsten/phpmyfaq	<4.1.2	4.1.2
packagist	phpmyfaq/phpmyfaq	<4.1.2	4.1.2

Affected products

thorsten phpmyfaq

Classification

Weakness

CWE-73 External Control of File Name or Path
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /thorsten/phpMyFAQ/security/advisories/GHSA-gh9p-q46p-57g2
vendor-advisory, web
vulncheck.com /advisories/phpmyfaq-path-traversal-in-client-deleteclientfolder-via-url-parameter
third-party-advisory, web
nvd.nist.gov /vuln/detail/CVE-2026-45008
advisory
github.com /thorsten/phpMyFAQ
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary