CVE-2026-77133
Broken Access Control in extension "femanager" (femanager)
The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Broken Access Control in extension "femanager" (femanager)
The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.
- Record
CVE-2026-77133- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-65343
The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.
- Record
EUVD-2026-65343- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qjph-66v6-w5fp
The extension fails to restrict which frontend usergroups a logged-in user may assign to their...
The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.
- Record
GHSA-qjph-66v6-w5fp- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/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 - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.
- Record
CVE-2026-77133- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/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 - Weakness
- CWE-862
- Updated
- 2026-11-02
OSV
Broken Access Control in extension "femanager" (femanager)
The extension fails to restrict which frontend usergroups a logged-in user may assign to their own account when the profile edit plugin uses its default field configuration, allowing self-service privilege escalation into arbitrary frontend groups.
- Record
CVE-2026-77133- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-77133 is a medium vulnerability (CVSS 6.0) in Typo3 Extension "femanager", published August 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.