CVE-2026-44264

MEDIUM 4.3

Weblate is vulnerable to XSS via crafted Markdown

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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 attributes. This issue has been patched in version 5.17.1.

CWE	CWE-80
Vendor	weblateorg
Product	weblate
Published	May 7, 2026
Last Updated	May 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Affected Versions

WeblateOrg / weblate

< 5.17.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279 github.com: https://github.com/WeblateOrg/weblate/pull/19259 github.com: https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75 github.com: https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1