CVE-2026-34951

Reflected XSS in footer.php in Workbench Allows Attackers to Hijack Authenticated Sessions

CVSS 5.1 MEDIUMEPSS 0.1%CWE-79

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.1EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

06 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Workbench is a suite of tools for administrators and developers to interact with Salesforce.com organizations via the Force.com APIs. Prior to 65.0.0, Workbench contains a reflected cross-site scripting vulnerability via the footerScripts parameter, which does not sanitize user-supplied input before rendering it in the page response. Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Workbench allows XSS Targeting Error Pages. This vulnerability is fixed in 65.0.0.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Affected products

forceworkbench · forceworkbench

References

https://github.com/forceworkbench/forceworkbench/security/advisories/GHSA-j94x-h584-rjf9