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

{
  "id": "7783fdd0c27af93cad4f6dcea74b8430b061fa2b2b33e9e644a464ab5a58061b",
  "url": "https://osv.dev/vulnerability/CVE-2026-34951",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Reflected XSS in footer.php in Workbench Allows Attackers to Hijack Authenticated Sessions",
    "summary": "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.",
    "evidence": "osv:CVE-2026-34951",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-34951",
      "aliases": [
        "CVE-2026-34951",
        "GHSA-j94x-h584-rjf9"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "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": [
        {
          "ranges": [
            {
              "repo": "https://github.com/forceworkbench/forceworkbench",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2f2820a6f76fdd1dac31bf1c167692ae4c159bb5"
                }
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              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "65.0.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "cpe": "cpe:2.3:a:salesforce:workbench:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "65.0.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "53.0.0",
            "52.0.0",
            "51.0.0",
            "50.0.0",
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34951.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.766731721Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34951.json",
        "https://github.com/forceworkbench/forceworkbench/security/advisories/GHSA-j94x-h584-rjf9",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-34951"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34951.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-34951",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521805,
  "published_at": "2026-04-06T15:58:45.583+00:00"
}