Weblate vulnerable to XSS via crafted Markdown
### Impact The Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. ### Patches * https://github.com/WeblateOrg/weblate/pull/19259 ### Workarounds Even though the attacker might be able to inject code into the HTML, the Weblate's strict CSP should mitigate the risks. ### Acknowlegement Michal Čihař has identified and fixed this vulnerability.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-44264US | — | — | ||
Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attribu… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/WeblateOrg/weblatePACKAGE
- https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75WEB
- https://github.com/WeblateOrg/weblate/pull/19259WEB
- https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1WEB
- https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-44264ADVISORY
scry
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