CVE-2025-6927
published 2026-02-02CVE-2025-6927: Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php…
PriorityP415low2.3CVSS 4.0
AVNACLATPPRNUIPVCLVINVANSCLSINSANEXCRXIRXARXMAVXMACXMATXMPRXMUIXMVCXMVIXMVAXMSCXMSIXMSAXSXAUXRXVXREXUX
EPSS
0.45%
36.7th percentile
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php.
This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mediawiki | < mediawiki 1:1.43.3+dfsg-1 (forky) | mediawiki 1:1.43.3+dfsg-1 (forky) |
| mediawiki | mediawiki | >= 0 < 1:1.43.3+dfsg-1 | 1:1.43.3+dfsg-1 |
| mediawiki | mediawiki | >= 0 < 1:1.43.3+dfsg-1 | 1:1.43.3+dfsg-1 |
| wikimedia_foundation | mediawiki | >= >= 1.42.0 < 1.39.13, 1.42.7 1.43.2, 1.44.0 | 1.39.13, 1.42.7 1.43.2, 1.44.0 |
CVSS provenance
nvdv4.02.3LOWCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/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
osv2.3LOW
vendor_debian2.3LOW
vendor_redhat2.3LOW
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Red Hat
MediaWiki: MediaWiki: Information disclosure via block list handling
vendor_redhat·2026-02-02·CVSS 2.3
CVE-2025-6927 [LOW] CWE-213 MediaWiki: MediaWiki: Information disclosure via block list handling
MediaWiki: MediaWiki: Information disclosure via block list handling
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php.
This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
A flaw was found in MediaWiki, specifically within the handling of block lists via `BlockListPager.Php` and `ApiQueryBlocks.Php`. A remote attacker could exploit this vulnerability with user interaction to achieve low confidentiality impact, potentially disclosing limited information related to block lists.
Statement: The impact of this vulnerability is LOW. Autoblocks originating from global account suppressions in MediaWiki are publicly exposed. This informat
Debian
CVE-2025-6927: mediawiki - Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associate...
vendor_debian·2025·CVSS 2.3
CVE-2025-6927 [LOW] CVE-2025-6927: mediawiki - Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associate...
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php. This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved (fixed in 1:1.43.3+dfsg-1)
sid: resolved (fixed in 1:1.43.3+dfsg-1)
trixie: resolved (fixed in 1:1.43.3+dfsg-1)
GHSA
GHSA-vw3r-fh3c-r4pj: Vulnerability in Wikimedia Foundation MediaWiki
ghsa_unreviewed·2026-02-03
CVE-2025-6927 [LOW] CWE-22 GHSA-vw3r-fh3c-r4pj: Vulnerability in Wikimedia Foundation MediaWiki
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php.
This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
OSV
CVE-2025-6927: Vulnerability in Wikimedia Foundation MediaWiki
osv·2026-02-02·CVSS 2.3
CVE-2025-6927 [LOW] CVE-2025-6927: Vulnerability in Wikimedia Foundation MediaWiki
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php. This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2025-6927 mediawiki: MediaWiki: Information disclosure via block list handling [fedora-42]
bugzilla·2026-02-03·CVSS 2.3
CVE-2025-6927 [LOW] CVE-2025-6927 mediawiki: MediaWiki: Information disclosure via block list handling [fedora-42]
CVE-2025-6927 mediawiki: MediaWiki: Information disclosure via block list handling [fedora-42]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's policy to close all bug reports from releases that are no longer
maintained. At that time this bug will be closed as EOL if it remains open with a
'version' of '42'.
Package Maintainer: If you wish for this bug to remain open because you
plan to fix it in a currently maintained version, ch
Wiz
CVE-2025-6927 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 2.3
CVE-2025-6927 [LOW] CVE-2025-6927 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-6927 :
Linux Debian vulnerability analysis and mitigation
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php, includes/api/ApiQueryBlocks.Php.
This issue affects MediaWiki: from >= 1.42.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.
Source : NVD
## 2.3
Score
Published February 2, 2026
Severity LOW
CNA Score 2.3
Affected Technologies
Linux Debian
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 7
Exploitation Probability (EPSS) N/A
Affected packages and libraries
mediawiki
Sources
NVD
Debian 11, 12 No Fix Added at: Jul 03, 2025
Debian 13 Has Fix Added at: Jul 03, 2025
Debian 14 Ha
2026-02-02
Published