CVE-2025-23073
API list=globalblocks can reveal IP of autoblock if username and IP are included in the bgtargets parameter
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - GlobalBlocking Extension allows Retrieve Embedded Sensitive Data.
This issue briefly impacted the master branch of MediaWiki’s GlobalBlocking Extension.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
API list=globalblocks can reveal IP of autoblock if username and IP are included in the bgtargets parameter
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - GlobalBlocking Extension allows Retrieve Embedded Sensitive Data.
This issue briefly impacted the master branch of MediaWiki’s GlobalBlocking Extension.
- Record
CVE-2025-23073- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-200, CWE-88
- Updated
- 2026-11-02
EUVDEUVD-2025-3105
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - GlobalBlocking Extension allows Retrieve Embedded Sensitive Data.
This issue briefly impacted the master branch of MediaWiki’s GlobalBlocking Extension.
- Record
EUVD-2025-3105- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w9r8-xh84-c8wx
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation...
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - GlobalBlocking Extension allows Retrieve Embedded Sensitive Data.This issue affects Mediawiki - GlobalBlocking Extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.
- Record
GHSA-w9r8-xh84-c8wx- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-88, CWE-200
- Updated
- 2026-11-02
NVD
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Mediawiki - GlobalBlocking Extension allows Retrieve Embedded Sensitive Data.
This issue briefly impacted the master branch of MediaWiki’s GlobalBlocking Extension.
- Record
CVE-2025-23073- CVSS 3.1
- 3.5 Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-88, CWE-200
- 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-2025-23073 is a low vulnerability (CVSS 3.5) in Wikimedia Foundation Mediawiki - Globalblocking Extension, published January 14, 2025. 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.