CVE-2025-32699

Potential javascript injection attack enabled by Unicode normalization in Action API

2.1 LowFix available

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Active

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.41%Up 0.4 points since Apr 11, 2025

What each source reports

CVE List Score used 2.1

Potential javascript injection attack enabled by Unicode normalization in Action API

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Record: CVE-2025-32699
CVSS 4.0: 2.1 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/RE:M/U:Amber
Weakness: CWE-79, CWE-74
Updated: 2026-11-02

EUVDEUVD-2025-10707 2.1

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Record: EUVD-2025-10707
CVSS 4.0: 2.1 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/RE:M/U:Amber
Updated: 2026-11-02

GitHub AdvisoriesGHSA-pq7c-cvqp-fq9x 2.1

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects...

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Record: GHSA-pq7c-cvqp-fq9x
CVSS 4.0: 2.1 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/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:M/U:Amber
Weakness: CWE-74
Updated: 2026-11-02

NVD 2.1

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Record: CVE-2025-32699
CVSS 4.0: 2.1 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/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:M/U:Amber
Weakness: CWE-74, CWE-79
Updated: 2026-11-02

OSVDEBIAN-CVE-2025-32699 2.1

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Record: DEBIAN-CVE-2025-32699
CVSS 4.0: 2.1 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/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:M/U:Amber
Updated: 2026-11-02

OSVUBUNTU-CVE-2025-32699 2.1

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Record: UBUNTU-CVE-2025-32699
CVSS 4.0: 2.1 LowCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/RE:M/U:Amber
Updated: 2026-11-02

OSVBIT-mediawiki-2025-32699 No score

Potential javascript injection attack enabled by Unicode normalization in Action API

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Record: BIT-mediawiki-2025-32699
Updated: 2026-11-02

OSV No score

Vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid.This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1; Parsoid: before 0.16.5, 0.19.2, 0.20.2.

Record: CVE-2025-32699
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

Affected packages
Package	Affected	Fixed
`mediawiki` Bitnami	before 1.41.1, 1.42.0 up to 1.43.1	1.41.11.43.1
`mediawiki` Debian:12	before 1:1.39.12-1~deb12u1, plus listed versions 1:1.39.10-11:1.39.10-1~deb12u11:1.39.2-11:1.39.4-11:1.39.4-1~deb12u1 Show 7 moreShow less 1:1.39.4-21:1.39.5-11:1.39.5-1~deb12u11:1.39.6-11:1.39.7-11:1.39.7-1~deb12u11:1.39.8-1	1:1.39.12-1~deb12u1
`mediawiki` Debian:13	before 1:1.43.1+dfsg-1	1:1.43.1+dfsg-1
`mediawiki` Debian:14	before 1:1.43.1+dfsg-1	1:1.43.1+dfsg-1
`mediawiki` Debian:11 From an advisory covering 12 CVEs	before 1:1.35.13-1+deb11u4, plus listed versions 1:1.35.11-1~deb11u11:1.35.13-1+deb11u21:1.35.13-1+deb11u31:1.35.13-1~deb11u11:1.35.2-1 Show 11 moreShow less 1:1.35.3-11:1.35.4-11:1.35.4-1+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+deb11u4
`mediawiki` Debian:12 From an advisory covering 4 CVEs	before 1:1.39.12-1~deb12u1, plus listed versions 1:1.39.10-11:1.39.10-1~deb12u11:1.39.2-11:1.39.4-11:1.39.4-1~deb12u1 Show 7 moreShow less 1:1.39.4-21:1.39.5-11:1.39.5-1~deb12u11:1.39.6-11:1.39.7-11:1.39.7-1~deb12u11:1.39.8-1	1:1.39.12-1~deb12u1
`mediawiki` Mageia:9 From an advisory covering 18 CVEs	before 1.35.14-1.1.mga9	1.35.14-1.1.mga9
`mediawiki` Ubuntu: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
`mediawiki` Ubuntu: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 less 1:1.31.5-3ubuntu11:1.31.6-11:1.31.7-11:1.31.7-1ubuntu0.1~esm1	None known
`mediawiki` Ubuntu: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

Affected packages
Package	Affected	Fixed
`mediawiki` Ubuntu: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
`mediawiki` Ubuntu: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
`mediawiki` Ubuntu: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
`mediawiki` Ubuntu: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

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-32699 is a low vulnerability (CVSS 2.1) in Wikimedia Foundation Mediawiki, published April 10, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in mediawiki 1.41.1.

References

Show 7 moreShow less