Basecamp CVEs
8 vulnerabilities mapped to Basecamp’s software or packages, 0 of them in CISA’s Known Exploited Vulnerabilities catalog, newest first. Not a statement that the hosted service was exposed.
CVEs mapped to a company Rewindex tracks (by CVE affected-product data, NVD CPE, vendor advisories and package feeds), every entry in CISA’s Known Exploited Vulnerabilities catalog, and CVEs named in a tracked status incident. Other CVEs are not listed. Same list on the all-vendor CVE index.
Each column is one week (Monday start, UTC), stacked by CVSS severity, by published date or the KEV date added. Dots mark entries added to CISA KEV that week. The last week is still in progress.
CVE-2026-73426 Trix: Stored XSS vulnerability through serialized attributes
CVSS 4.6 mediumEPSS 0.32%
CVE-2026-73428 Trix: Stored XSS via HTMLParser attribute injection on paste
CVSS 4.6 mediumEPSS 0.35%
CVE-2025-58067 Basecamp's Google Sign-In for Rails allowed redirects to protocol-relative URI
CVSS 4.2 mediumEPSS 0.23%
CVE-2025-57821 Basecamp's Google Sign-In for Rails allowed redirects to a malformed URL
CVSS 4.2 mediumEPSS 0.24%
CVE-2025-46812 Trix vulnerable to Cross-site Scripting on copy & paste
CVSS 2.0 lowEPSS 0.72%
CVE-2025-21610 Trix allows Cross-site Scripting via `javascript:` url in a link
CVSS 5.3 mediumEPSS 0.42%
CVE-2024-53847 Trix vulnerable to Cross-site Scripting on copy & paste
CVSS 5.1 mediumEPSS 0.46%
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- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)