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CVE Vulnerability Details :
CVE-2026-56396
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-21 Jun, 2026 | 13:27
Updated At-23 Jun, 2026 | 14:19
Rejected At-
▼CVE Numbering Authority (CNA)
phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and updateUserRights()

phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in editUser() and updateUserRights() endpoints that allow authenticated administrators to escalate privileges. Non-SuperAdmin users with edit_user permission can set is_superadmin flag or grant arbitrary rights to escalate to SuperAdmin access.

Affected Products
Vendor
Thorsten Rinne (phpMyFAQ)phpMyFAQ
Product
phpMyFAQ
Default Status
unaffected
Versions
Affected
  • From 0 before 4.1.4 (semver)
Unaffected
  • 4.1.4 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-862Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: Missing Authorization
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
SnailSploit
finder
0xShemesh
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h
vendor-advisory
https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-authorization-in-edituser-and-updateuserrights
third-party-advisory
Hyperlink: https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h
Resource:
vendor-advisory
Hyperlink: https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-authorization-in-edituser-and-updateuserrights
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h
exploit
Hyperlink: https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h
Resource:
exploit
Details not found