XSS in Basecamp Trix
CVE-2025-21610
Trix is a what-you-see-is-what-you-get rich text editor for everyday writing. Versions prior to 2.1.12 are vulnerable to cross-site scripting when pasting malicious code in the link field. An attacker could trick the user to copy&paste a m…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (31.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Basecamp Trix — versions < 2.1.12
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-21610?
- CVE-2025-21610 is a medium-severity vulnerability in Basecamp Trix, classified under Cross-site Scripting. CVSS score: 5.3/10. Published 2025-01-03.
- How severe is CVE-2025-21610?
- Medium severity. CVSS v3 base score is 5.3 out of 10.