Medium severity · published Apr 6, 2026
CVE-2026-34951
Reflected XSS in footer.php in Workbench Allows Attackers to Hijack Authenticated Sessions
6.1
CVSS
0.1%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
forceworkbench · forceworkbench
< 65.0.0 · source: vendor
WO
Workbench · Salesforce
before 65.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-34951
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-34951
Vendor Advisory
https://github.com/forceworkbench/forceworkbench/security/advisories/GHSA-j94x-h584-rjf9
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