CVE-2025-61637— Stored XSS through system messages in MW Core
Quick assessment
Affected
Wikimedia Foundation MediaWiki
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MediaWiki是美国维基媒体（Wikimedia）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 MediaWiki 1.39.14之前版本、1.43.4之前版本和1.44.1之前版本存在安全漏洞，该漏洞源于程序文件resources/src/mediawiki.Action/mediawiki.Action.Edit.Preview.Js和resources/src/mediawiki.Page.Preview.Js存在输入中和不当，可能导致跨站脚本攻击
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-61637
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Stored XSS through system messages in MW Core
Source: CVE Program / CVE List V5
Vulnerability Description
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 resources/src/mediawiki.Action/mediawiki.Action.Edit.Preview.Js, resources/src/mediawiki.Page.Preview.Js.
This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS: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:U
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
MediaWiki 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki是美国维基媒体（Wikimedia）基金会的一套自由免费的基于网络的Wiki引擎。该产品可用于部署内部的知识管理和内容管理系统。 MediaWiki 1.39.14之前版本、1.43.4之前版本和1.44.1之前版本存在安全漏洞，该漏洞源于程序文件resources/src/mediawiki.Action/mediawiki.Action.Edit.Preview.Js和resources/src/mediawiki.Page.Preview.Js存在输入中和不当，可能导致跨站脚本攻击
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Wikimedia Foundation | MediaWiki | * ~ 1.39.14, 1.43.4, 1.44.1 | - |
|
II. Public POCs for CVE-2025-61637
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-61637
请登录查看更多情报信息。
Same Patch Batch · Wikimedia Foundation · 2026-02-02 · 21 CVEs total
| CVE-2025-61635 | Add rate limiting to ApiFancyCaptchaReload | |
| CVE-2025-61642 | Stored XSS through system messages provided to CodexHtmlForms | |
| CVE-2025-61644 | i18n XSS through Special:Watchlist | |
| CVE-2025-61643 | EventStreams publishes suppressed recent change entries that are suppressed from their cre | |
| CVE-2025-61641 | API list=allpages with maxsize is making really slow queries | |
| CVE-2025-61638 | Sanitizer::validateAttributes data-XSS | |
| CVE-2025-61634 | HTML rest endpoint needs PoolCounter and proper parser cache check | |
| CVE-2025-61640 | Stored XSS through system messages in Special:RecentChangesLinked (MW Core) | |
| CVE-2025-61639 | Suppressed blocked IP is visible in Special:BlockList, RC, and other places | |
| CVE-2025-61636 | Codex Special:Block vulnerable to message key XSS | |
| CVE-2025-6594 | XSS in Special:ApiSandbox | |
| CVE-2025-6591 | HTML injection in API action=feedcontributions output from i18n message | |
| CVE-2025-6595 | MediaWiki 安全漏洞 | |
| CVE-2025-6592 | Creating a permanent account from a temporary account associates temp username and IP addr | |
| CVE-2025-6927 | Autoblocks from global account suppressions are publicly visible | |
| CVE-2025-6597 | MediaWiki should not consider autocreation as login for the purposes of security reauthent | |
| CVE-2025-6596 | Vector inserts portlet labels as HTML, allowing for stored XSS through system messages | |
| CVE-2025-6593 | "{{SITENAME}} registered email address has been changed" email sent to unverified email ad | |
| CVE-2025-6589 | With MultiBlocks enabled and a user who is suppressed via a MultiBlock, a user without 'hi | |
| CVE-2025-6590 | Complete content leak of private wikis due to PasswordReset Wikitext injection in error me |
IV. Related Vulnerabilities
Same product: MediaWiki
-
CVE-2026-58025
Remote Code Execution via Unsafe Deserialization in LogItem -
CVE-2026-58029
Full Account Takeover from BotPasswords and OAuth via action -
CVE-2026-58028
Pretty-printed API output combined with centralauthtoken all -
CVE-2026-58026
$wgNonincludableNamespaces can be bypassed by embedding redi -
CVE-2026-58032
mw.Api.getErrorMessage() may return injected HTML if used wi
Same vendor: Wikimedia Foundation
-
CVE-2026-58025
Remote Code Execution via Unsafe Deserialization in LogItem -
CVE-2026-58029
Full Account Takeover from BotPasswords and OAuth via action -
CVE-2026-58028
Pretty-printed API output combined with centralauthtoken all -
CVE-2026-58026
$wgNonincludableNamespaces can be bypassed by embedding redi -
CVE-2026-8857
Full RCE using EasyTimeline Extension
Same weakness: CWE-79
-
CVE-2026-8630
justhtml before 1.12.0 Mutation XSS via Raw Text Elements -
CVE-2026-8445
justhtml before 1.12.0 Sanitizer Bypass via Markdown -
CVE-2026-77088
justhtml 0.9.0 through 1.21.0 Cross-Site Scripting via code- -
CVE-2026-74793
justhtml before 3.11.0 XSS via selectedcontent projection -
CVE-2026-6827
justhtml before 1.17.0 Multiple Cross-Site Scripting Vulnera
V. Comments for CVE-2025-61637
No comments yet