CVE-2026-111893: thorsten phpmyfaq Improper Privilege Management
Vulnerability summary
CVE-2026-111893 is a high (CVSS 8.5) Improper Privilege Management vulnerability in thorsten phpmyfaq. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities.
Timeline
- 17-10-2026PublishedVulnerability first disclosed.
- 18-10-2026Last modifiedVulnerability information updated.
Description
phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains a privilege escalation vulnerability in GroupController::saveCategoryRestrictions() that lets delegated administrators assign categories outside their own scope. Category-restricted administrators can POST to /admin/api/group/category-restrictions with out-of-scope or empty categoryIds to grant groups unrestricted category access.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST8.5HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/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
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Thorsten1 product
- phpmyfaq≥ 4.2.0-alpha, < 4.2.0-beta
1 vendor · 1 product
References
2 links- www.vulncheck.com/advisories/…Third Party Advisory