Vulnerability Description
Dolibarr before 24.0.0 contains a reflected cross-site scripting vulnerability in the extra fields administration template where the type request parameter is echoed without JavaScript-context encoding into an inline script block and no Content-Security-Policy header is emitted. An unauthenticated attacker can cause an authenticated administrator to open a crafted URL to execute arbitrary JavaScript in that session and create a persistent administrator account.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://codeant.ai/security-research/cve-2026-71503-reflected-xss-via-the-type-p
- https://github.com/Dolibarr/dolibarr/commit/3094b0aa3b500ff51020b660a7e66ffcb9d1
- https://github.com/Dolibarr/dolibarr/releases/tag/24.0.0
- https://www.vulncheck.com/advisories/dolibarr-reflected-xss-via-extra-fields-adm
FAQ
What is CVE-2026-71503?
CVE-2026-71503 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Dolibarr before 24.0.0 contains a reflected cross-site scripting vulnerability in the extra fields administration template where the type request parameter is echoed without JavaScript-context encodin...
How severe is CVE-2026-71503?
CVE-2026-71503 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-71503?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.