TitleIcon: Stored Cross-Site Scripting (XSS) via #titleicon_unicode parser function
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
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| Wikimedia Foundation | Mediawiki - TitleIcon extension | unaffected |
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| Vendor | Product | Versions |
|---|---|---|
| Mediawiki | Mediawiki | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-20663 | The TitleIcon extension for MediaWiki is vulnerable to stored XSS through the #titleicon_unicode parser function. User input passed to this function is wrapped in an HtmlArmor object without sanitization and rendered directly into the page header, allowing attackers to inject arbitrary JavaScript. This issue affects Mediawiki - TitleIcon extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.253% probability within 30 days)
| Type | Values Removed | Values Added |
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| Metrics |
epss
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epss
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| Type | Values Removed | Values Added |
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| Metrics |
cvssV3_1
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| Description | The TitleIcon extension for MediaWiki is vulnerable to stored XSS through the #titleicon_unicode parser function. User input passed to this function is wrapped in an HtmlArmor object without sanitization and rendered directly into the page header, allowing attackers to inject arbitrary JavaScript. This issue affects Mediawiki - TitleIcon extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2. | |
| Title | TitleIcon: Stored Cross-Site Scripting (XSS) via #titleicon_unicode parser function | |
| Weaknesses | CWE-79 | |
| References |
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