CVE-2026-111932: XSS (CVSS 3.4)

Description

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.

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CVSS v3.1 Score

3.4

LOW

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://github.com/coder/coder/security/advisories/GHSA-h58c-xccx-75m3 https://www.vulncheck.com/advisories/coder-before-2.34.2-stored-html-injection-via-appearance-settings

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.4 (LOW).

How severe is CVE-2026-111932? +

CVE-2026-111932 has a CVSS v3.1 score of 3.4 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2026-111932? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-111932