CVE-2026-34095
published 2026-05-11CVE-2026-34095: Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php…
PriorityP429medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
EPSS
0.20%
9.9th percentile
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/FauxResponse.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Affected
5 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mediawiki | < mediawiki 1:1.43.8+dfsg-2 (sid) | mediawiki 1:1.43.8+dfsg-2 (sid) |
| mediawiki | mediawiki | < 1.43.7 | 1.43.7 |
| mediawiki | mediawiki | >= 1.44.0 < 1.44.4 | 1.44.4 |
| mediawiki | mediawiki | >= 1.45.0 < 1.45.2 | 1.45.2 |
| wikimedia_foundation | mediawiki | >= * < 1.43.7, 1.44.4, 1.45.2 | 1.43.7, 1.44.4, 1.45.2 |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv4.00.0NONECVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/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
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Debian
CVE-2026-34095: mediawiki
vendor_debian·2026
CVE-2026-34095 CVE-2026-34095: mediawiki
bookworm: open
bullseye: open
forky: open
sid: resolved (fixed in 1:1.43.8+dfsg-2)
trixie: open
VulDB
Wikimedia MediaWiki up to 1.43.6/1.44.3/1.45.1 ActionEntryPoint.Php cross site scripting
vuldb·2026-05-11
CVE-2026-34095 [NONE] Wikimedia MediaWiki up to 1.43.6/1.44.3/1.45.1 ActionEntryPoint.Php cross site scripting
A vulnerability described as problematic has been identified in Wikimedia MediaWiki up to 1.43.6/1.44.3/1.45.1. This impacts an unknown function of the file includes/Actions/ActionEntryPoint.Php. Executing a manipulation can lead to basic cross site scripting.
This vulnerability appears as CVE-2026-34095. The attack may be performed from remote. There is no available exploit.
Upgrading the affected component is recommended.
GHSA
GHSA-596g-9fv7-mq62: Vulnerability in Wikimedia Foundation MediaWiki
ghsa_unreviewed·2026-05-11
CVE-2026-34095 [LOW] CWE-668 GHSA-596g-9fv7-mq62: Vulnerability in Wikimedia Foundation MediaWiki
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/FauxResponse.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-34095 mediawiki: action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request [fedora-all]
bugzilla·2026-05-14
CVE-2026-34095 [NONE] CVE-2026-34095 mediawiki: action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request [fedora-all]
CVE-2026-34095 mediawiki: action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request [fedora-all]
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.
Bugzilla
CVE-2026-34095 mediawiki: action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request
bugzilla·2026-05-11
CVE-2026-34095 [NONE] CVE-2026-34095 mediawiki: action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request
CVE-2026-34095 mediawiki: action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/FauxResponse.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
2026-05-11
Published