CVE-2026-34951
CVE-2026-34951 is a medium-severity vulnerability in Salesforce Workbench with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v4: 5.1
- EPSS exploit prediction: 0% (4th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-19357
- Weakness: CWE-79
- Affected product: Salesforce Workbench
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-34951?
- 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.
- How severe is CVE-2026-34951?
- CVE-2026-34951 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-34951 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-34951?
- CVE-2026-34951 affects Salesforce Workbench. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-34951?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-34951 have an EU (EUVD) identifier?
- Yes. CVE-2026-34951 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19357.
- When was CVE-2026-34951 published?
- CVE-2026-34951 was published on 2026-04-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:salesforce:workbench:*:*:*:*:*:*:*:*
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