XSS in Coder
CVE-2026-111932
Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a stored HTML injection vulnerability because the ApplicationName and LogoURL appearance settings are rendered into HTML output without sufficient escaping. Attackers with the Owner role can store HTML markup in these settings that renders in the Coder dashboard and in SMTP notification emails sent to other deployment users.
Vulnerability class: XSS (Cross-Site Scripting)
Published .
CVSS v3 metric
CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/coder/coder/security/advisories/GHSA-h58c-xccx-75m3 (vendor-advisory)
- www.vulncheck.com/advisories/coder-before-2.34.2-stored-html-injection-via-appe… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111932?
- CVE-2026-111932 is a low-severity vulnerability in Coder, classified under Cross-site Scripting. CVSS score: 3.4/10. Published 2026-10-17.
- How severe is CVE-2026-111932?
- Low severity. CVSS v3 base score is 3.4 out of 10.