What is CVE-2026-59102?

CVE-2026-59102 is a medium-severity vulnerability in Forgejo, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-07-02.

How severe is CVE-2026-59102?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Forgejo

CVE-2026-59102

Forgejo before 15.0.3 contains a stored cross-site scripting vulnerability that allows authenticated attackers to execute arbitrary JavaScript in other users' browsers by setting a full name containing an HTML payload and triggering an Act…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Forgejo — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (release-notes, patch)
disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-59102?: CVE-2026-59102 is a medium-severity vulnerability in Forgejo, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-07-02.
How severe is CVE-2026-59102?: Medium severity. CVSS v3 base score is 5.4 out of 10.