Medium severity · published May 7, 2026
CVE-2026-44264
Weblate is vulnerable to XSS via crafted Markdown
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
weblate · WeblateOrg
< 5.17.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44264
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44264
Patch
https://github.com/WeblateOrg/weblate/commit/85abc9df88b7464f4c0e794aef752e45f4230f75
Issue Tracking
https://github.com/WeblateOrg/weblate/pull/19259
Release Notes
https://github.com/WeblateOrg/weblate/releases/tag/weblate-5.17.1
Patch
https://github.com/WeblateOrg/weblate/security/advisories/GHSA-5cmv-3rc4-7279
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