CVE-2025-61643
EventStreams publishes suppressed recent change entries that are suppressed from their creation
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
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
2.7
EventStreams publishes suppressed recent change entries that are suppressed from their creation
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
- Record
CVE-2025-61643- CVSS 4.0
- 2.7 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/RE:M/U:Green - Updated
- 2026-11-02
EUVDEUVD-2025-206622
2.7
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
- Record
EUVD-2025-206622- CVSS 4.0
- 2.7 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/RE:M/U:Green - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pw42-76j9-fcp3
2.7
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program...
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
- Record
GHSA-pw42-76j9-fcp3- CVSS 4.0
- 2.7 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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:M/U:Green - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-212
- Updated
- 2026-11-02
NVD
2.7
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
- Record
CVE-2025-61643- CVSS 4.0
- 2.7 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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:M/U:Green - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-212
- Updated
- 2026-11-02
OSV
6.1
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
- Record
CVE-2025-61643- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2025-61643
6.1
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
- Record
DEBIAN-CVE-2025-61643- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-61643
2.7
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
- Record
UBUNTU-CVE-2025-61643- CVSS 4.0
- 2.7 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/RE:M/U:Green - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVMGASA-2025-0260 No score
Updated mediawiki packages fix security vulnerabilities
i18n XSS vulnerability in HTMLMultiSelectField when sections are used.
(CVE-2025-3469)
"reupload-own" restriction can be bypassed by reverting file.
(CVE-2025-32696)
Cascading protection is not preventing file reversions. (CVE-2025-32697)
LogPager.php: Restriction enforcer functions do not correctly enforce
suppression restrictions. (CVE-2025-32698)
Potential javascript injection attack enabled by Unicode normalization
in Action API. (CVE-2025-32699)
AbuseFilter log interfaces expose global private and hidden filters when
central DB is not available. (CVE-2025-32700)
HTML injection in feed output from i18n message. (CVE-2025-32072)
OATHAuth extension: Reauthentication for enabling 2FA can be bypassed by
submitting a form in Special:OATHManage. (CVE-2025-11173)
Stored i18n Cross-site scripting (XSS) vulnerability in
mw.language.listToText. (CVE-2025-11261)
ConfirmEdit extension: Missing rate limiting in ApiFancyCaptchaReload.
(CVE-2025-61635)
Parsoid: Validation bypass for data- attributes. (CVE-2025-61638)
Log entries which are hidden from the creation of the entry may be
disclosed to the public recent change entry. (CVE-2025-61639)
Stored i18n Cross-site scripting (XSS) vulnerability in
Special:RecentChangesLinked. (CVE-2025-61640)
DDoS vulnerability in QueryAllPages API in miser mode. The maxsize
value is now ignored in that mode. (CVE-2025-61641)
Suppressed recent changes may be disclosed to the public RCFeeds.
(CVE-2025-61643)
Public Watchlist/RecentChanges pages may disclose hidden usernames when
an individual editor makes consecutive revisions on a single page, and
only some are marked as hidden username. (CVE-2025-61646)
TextExtracts extension: Information disclosure vulnerability in the
extracts API action endpoint due to missing read permission check.
(CVE-2025-61653)
VisualEditor extension: Stored i18n Cross-site scripting (XSS)
vulnerability in lastModifiedAt system messages. (CVE-2025-61655)
VisualEditor extension: Missing attribute validation for attributes
unwrapped from data-ve-attributes. (CVE-2025-61656)
- Record
MGASA-2025-0260- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
mediawikiDebian:12 |
before 1:1.39.17-1~deb12u1, plus listed versions 1:1.39.10-11:1.39.10-1~deb12u11:1.39.12-1~deb12u11:1.39.13-1~deb12u11:1.39.2-1 Show 9 moreShow less1:1.39.4-11:1.39.4-1~deb12u11:1.39.4-21:1.39.5-11:1.39.5-1~deb12u11:1.39.6-11:1.39.7-11:1.39.7-1~deb12u11:1.39.8-1 |
1:1.39.17-1~deb12u1 |
mediawikiDebian:13 |
before 1:1.43.6+dfsg-1~deb13u1, plus listed versions 1:1.43.3+dfsg-11:1.43.5+dfsg-1 |
1:1.43.6+dfsg-1~deb13u1 |
mediawikiDebian:14 |
before 1:1.43.5+dfsg-1, plus listed versions 1:1.43.3+dfsg-1 |
1:1.43.5+dfsg-1 |
mediawikiDebian:11 From an advisory covering 12 CVEs |
before 1:1.35.13-1+deb11u5, plus listed versions 1:1.35.11-1~deb11u11:1.35.13-1+deb11u21:1.35.13-1+deb11u31:1.35.13-1+deb11u41:1.35.13-1~deb11u1 Show 12 moreShow less1:1.35.2-11:1.35.3-11:1.35.4-11:1.35.4-1+deb11u21:1.35.4-1~deb11u11:1.35.5-11:1.35.5-21:1.35.6-11:1.35.7-11:1.35.8-11:1.35.8-1.11:1.35.8-1~deb11u1 |
1:1.35.13-1+deb11u5 |
mediawikiDebian:12 From an advisory covering 19 CVEs |
before 1:1.39.17-1~deb12u1, plus listed versions 1:1.39.10-11:1.39.10-1~deb12u11:1.39.12-1~deb12u11:1.39.13-1~deb12u11:1.39.2-1 Show 9 moreShow less1:1.39.4-11:1.39.4-1~deb12u11:1.39.4-21:1.39.5-11:1.39.5-1~deb12u11:1.39.6-11:1.39.7-11:1.39.7-1~deb12u11:1.39.8-1 |
1:1.39.17-1~deb12u1 |
mediawikiDebian:13 From an advisory covering 19 CVEs |
before 1:1.43.6+dfsg-1~deb13u1, plus listed versions 1:1.43.3+dfsg-11:1.43.5+dfsg-1 |
1:1.43.6+dfsg-1~deb13u1 |
mediawikiMageia:9 From an advisory covering 18 CVEs |
before 1.35.14-1.1.mga9 | 1.35.14-1.1.mga9 |
mediawikiUbuntu:18.04:LTS |
All versions, plus listed versions 1:1.27.3-11:1.27.4-11:1.27.4-21:1.27.4-3 |
None known |
mediawikiUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 1:1.31.2-1ubuntu11:1.31.5-11:1.31.5-1ubuntu11:1.31.5-21:1.31.5-3 Show 4 moreShow less1:1.31.5-3ubuntu11:1.31.6-11:1.31.7-11:1.31.7-1ubuntu0.1~esm1 |
None known |
mediawikiUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 1:1.35.3-11:1.35.4-11:1.35.5-11:1.35.5-1ubuntu11:1.35.5-1ubuntu21:1.35.5-1ubuntu31:1.35.6-11:1.35.6-1ubuntu0.1~esm1 |
None known |
Show 4 moreShow less
| Package | Affected | Fixed |
|---|---|---|
mediawikiUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 1:1.39.4-21:1.39.5-11:1.39.6-11:1.39.7-11:1.39.7-1ubuntu0.1~esm1 |
None known |
mediawikiUbuntu:25.10 |
All versions, plus listed versions 1:1.43.1+dfsg-11:1.43.1+dfsg-21:1.43.3+dfsg-1 |
None known |
mediawikiUbuntu:26.10 |
All versions, plus listed versions 1:1.43.8+dfsg-21:1.43.9+dfsg-11:1.43.9+dfsg-1ubuntu1 |
None known |
mediawikiUbuntu:26.04:LTS |
All versions, plus listed versions 1:1.43.3+dfsg-11:1.43.5+dfsg-11:1.43.6+dfsg-21:1.43.8+dfsg-11:1.43.8+dfsg-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-61643 is a low vulnerability (CVSS 2.7) in Mediawiki, published October 31, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. Fixed in mediawiki 1:1.39.17-1~deb12u1.
References
phabricator.wikimedia.org/T403757
nvd.nist.gov/vuln/detail/CVE-2025-61643
github.com/advisories/GHSA-pw42-76j9-fcp3
security-tracker.debian.org/tracker/CVE-2025-61643
advisories.mageia.org/MGASA-2025-0260.html
bugs.mageia.org/show_bug.cgi?id=34211
Show 7 moreShow less
lists.debian.org/debian-security-announce/2025/msg00063.html
lists.wikimedia.org/hyperkitty/list/[email protected]/thread/CIXFJVC57OFRBCCEIDRLZCLFGMYGEYTT
lists.debian.org/debian-security-announce/2025/msg00121.html
lists.debian.org/debian-lts-announce/2025/10/msg00034.html
ubuntu.com/security/CVE-2025-61643
cve.org/CVERecord?id=CVE-2025-61643
gerrit.wikimedia.org/r/c/mediawiki/core/+/1193223