CVE-2025-3469
i18n XSS vulnerability in HTMLMultiSelectField when sections are used
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php.
This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
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
- None
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
0.0
i18n XSS vulnerability in HTMLMultiSelectField when sections are used
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php.
This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
- Record
CVE-2025-3469- CVSS 4.0
- 0.0 None
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/RE:M/U:Green - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-15049 No score
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php.
This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
- Record
EUVD-2025-15049- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7jc7-7vhf-f7fg
0.0
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')...
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php.
This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
- Record
GHSA-7jc7-7vhf-f7fg- CVSS 4.0
- 0.0 None
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/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:M/U:Green - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
0.0
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php.
This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
- Record
CVE-2025-3469- CVSS 4.0
- 0.0 None
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/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:M/U:Green - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2025-3469
0.0
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php. This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
- Record
DEBIAN-CVE-2025-3469- CVSS 4.0
- 0.0 None
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/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:M/U:Green - Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-3469
0.0
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php. This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
- Record
UBUNTU-CVE-2025-3469- CVSS 4.0
- 0.0 None
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/RE:M/U:Green - Updated
- 2026-11-02
OSVBIT-mediawiki-2025-3469 No score
i18n XSS vulnerability in HTMLMultiSelectField when sections are used
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php.
This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
- Record
BIT-mediawiki-2025-3469- Updated
- 2026-11-02
OSV No score
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLMultiSelectField.Php.
This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
- Record
CVE-2025-3469- 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 |
|---|---|---|
mediawikiBitnami |
before 1.43.1 | 1.43.1 |
mediawikiDebian: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 less1:1.39.4-21:1.39.5-11:1.39.5-1~deb12u11:1.39.6-11:1.39.7-11:1.39.7-1~deb12u11:1.39.8-1 |
1:1.39.12-1~deb12u1 |
mediawikiDebian:13 |
before 1:1.43.1+dfsg-1 | 1:1.43.1+dfsg-1 |
mediawikiDebian:14 |
before 1:1.43.1+dfsg-1 | 1:1.43.1+dfsg-1 |
mediawikiDebian: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 less1:1.35.3-11:1.35.4-11:1.35.4-1+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 |
mediawikiDebian: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 less1:1.39.4-21:1.39.5-11:1.39.5-1~deb12u11:1.39.6-11:1.39.7-11:1.39.7-1~deb12u11:1.39.8-1 |
1:1.39.12-1~deb12u1 |
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-2025-3469 is a none vulnerability (CVSS 0.0) 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 0.45%, the 39th percentile. Fixed in mediawiki 1.43.1.
References
phabricator.wikimedia.org/T358689
lists.debian.org/debian-lts-announce/2025/07/msg00012.html
nvd.nist.gov/vuln/detail/CVE-2025-3469
github.com/advisories/GHSA-7jc7-7vhf-f7fg
security-tracker.debian.org/tracker/CVE-2025-3469
advisories.mageia.org/MGASA-2025-0260.html
Show 7 moreShow less
bugs.mageia.org/show_bug.cgi?id=34211
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-2025-3469
cve.org/CVERecord?id=CVE-2025-3469