CVE-2024-21496
Description
All versions of the package github.com/greenpau/caddy-security are vulnerable to Cross-site Scripting (XSS) via the Referer header, due to improper input sanitization. Although the Referer header is sanitized by escaping some characters that can allow XSS (e.g., [&], [<], [>], ["], [']), it does not account for the attack based on the JavaScript URL scheme (e.g., javascript:alert(document.domain)// payload). Exploiting this vulnerability may not be trivial, but it could lead to the execution of malicious scripts in the context of the target user’s browser, compromising user sessions.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/greenpau/caddy-securityGo | <= 1.1.23 | — |
Affected products
2- Range: <= 1.1.23
Patches
Vulnerability mechanics
References
7- blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/nvdExploitThird Party Advisory
- github.com/greenpau/caddy-security/issues/267nvdExploitIssue TrackingWEB
- github.com/advisories/GHSA-ff72-ff42-c3gwghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2024-21496ghsaADVISORY
- security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249860nvdThird Party AdvisoryWEB
- github.com/greenpau/caddy-securityghsaPACKAGE
- blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddyghsaWEB
News mentions
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