CVE-2026-96879
"Checked by" label in page history should not be shown if the underlying review log entry is suppressed"
Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension through 1.46.0.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
"Checked by" label in page history should not be shown if the underlying review log entry is suppressed"
Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension through 1.46.0.
- Record
CVE-2026-96879- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N - Weakness
- CWE-212
- Updated
- 2026-11-02
EUVDEUVD-2026-87323
Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension through 1.46.0.
- Record
EUVD-2026-87323- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xxh4-xg3q-g2r6
Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia...
Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension through 1.46.0.
- Record
GHSA-xxh4-xg3q-g2r6- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/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-212
- Updated
- 2026-11-02
NVD
Improper removal of sensitive information before storage or transfer vulnerability in Wikimedia Foundation's Mediawiki - FlaggedRevs extension through 1.46.0.
- Record
CVE-2026-96879- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/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-212
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-96879 is a medium vulnerability (CVSS 6.9) in The Wikimedia Foundation Mediawiki - Flaggedrevs Extension, published September 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.