CVE-2025-5806: gatling XSS — Fix

Description

Jenkins Gatling Plugin 136.vb_9009b_3d33a_e serves Gatling reports in a manner that bypasses the Content-Security-Policy protection introduced in Jenkins 1.641 and 1.625, resulting in a cross-site scripting (XSS) vulnerability exploitable by users able to change report content.

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CVSS v3.1 Score

8.0

HIGH

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
jenkins	gatling	< 136.vb_9009b_3d33a_e

References

Advisories & Patches

https://www.jenkins.io/security/advisory/2025-06-06/#SECURITY-3588

Other References

http://www.openwall.com/lists/oss-security/2025/06/06/8

Frequently Asked Questions

What is CVE-2025-5806? +

Jenkins Gatling Plugin 136.vb_9009b_3d33a_e serves Gatling reports in a manner that bypasses the Content-Security-Policy protection introduced in Jenkins 1.641 and 1.625, resulting in a cross-site scripting (XSS) vulnerability exploitable by users able to change report content. It has a CVSS v3.1 base score of 8.0 (HIGH).

How severe is CVE-2025-5806? +

CVE-2025-5806 has a CVSS v3.1 score of 8.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-5806? +

CVE-2025-5806 affects products from jenkins, specifically: gatling. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-5806? +

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-2025-5806