SB2022050545 - Cross-site scripting in gogs

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2022-1464)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

The vulnerability allows a remote user to execute arbitrary script in a victim's browser.

The vulnerability exists due to cross-site scripting in issue attachments when serving a crafted SVG file uploaded as an issue attachment. A remote user can upload a specially crafted SVG file to execute arbitrary script in a victim's browser.

Only installations that allow uploading SVG files as issue attachments are vulnerable.

Remediation

Install update from vendor's website.

References

• https://github.com/gogs/gogs/security/advisories/GHSA-ff28-f46g-r9g8
• https://github.com/advisories/GHSA-ff28-f46g-r9g8