What is CVE-2026-45106?

CVE-2026-45106 is a medium-severity vulnerability in Weblateorg Weblate, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-06-10.

How severe is CVE-2026-45106?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Weblateorg Weblate

CVE-2026-45106

Weblate is a web based localization tool. Prior to version 2026.5, Weblate's live search preview renders unit source and context as HTML without escaping. Any contributor whose content reaches those fields stores HTML and CSS that runs ins…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (11.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weblateorg Weblate — versions < 2026.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45106?: CVE-2026-45106 is a medium-severity vulnerability in Weblateorg Weblate, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-06-10.
How severe is CVE-2026-45106?: Medium severity. CVSS v3 base score is 4.6 out of 10.