{"id":"CVE-2026-112184","aliases":["EUVD-2026-104142","GHSA-4j43-fg42-frxx"],"status":"published","title":"MISP Workflow Module: Reflected XSS via Unescaped misp-modules Parameter Names in Form Labels","description":"MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: \u003c2.5.48.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00352,"percentile":0.29277,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-10-19T09:19:45Z","modified":"2026-10-28T02:30:29Z","products":[{"vendor":"misp","product":"misp"}],"references":[{"url":"https://github.com/MISP/MISP/commit/813a48b2b","tags":["patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112184","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4j43-fg42-frxx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112184.json","tags":["advisory"]},{"url":"https://github.com/MISP/MISP","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-112184","title":"MISP Workflow Module: Reflected XSS via Unescaped misp-modules Parameter Names in Form Labels","description":"MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: \u003c2.5.48.","status":"published","published":"2026-10-19T09:19:45.056Z","modified":"2026-10-19T17:14:52.401Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:44:51.734189Z"}],"euvd":[{"id":"EUVD-2026-104142","description":"MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: \u003c2.5.48.","status":"published","published":"2026-10-19T09:19:45Z","modified":"2026-10-19T17:14:52Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:50.463489Z"}],"ghsa":[{"id":"GHSA-4j43-fg42-frxx","title":"MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module...","description":"MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: \u003c2.5.48.","status":"published","published":"2026-10-19T12:32:47Z","modified":"2026-10-19T12:32:53Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:13:57.032902Z"}],"nvd":[{"id":"CVE-2026-112184","description":"MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: \u003c2.5.48.","status":"published","published":"2026-10-19T10:16:47.21Z","modified":"2026-10-19T18:17:03.87Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:13:00.83844Z"}],"osv":[{"id":"CVE-2026-112184","title":"MISP Workflow Module: Reflected XSS via Unescaped misp-modules Parameter Names in Form Labels","description":"MISP contains a reflected cross-site scripting (XSS) vulnerability in the workflow module interface. Parameter names returned by the misp-modules service are rendered as raw HTML form labels on the workflow module page without output encoding. An attacker who can influence the parameter names reported by the misp-modules service can inject arbitrary HTML or JavaScript that executes in the context of an authenticated MISP user's browser.\n\nPreconditions:\n\n- The attacker must be able to control or influence parameter names reported by the misp-modules service.\n\n- A victim must be authenticated and view the affected workflow module page.\n\nImpact:\n\n- Execution of arbitrary JavaScript in the victim's browser session.\n\n- Potential theft of session tokens, manipulation of the MISP interface, or initiation of unauthorized actions on behalf of the victim.\n\nAffected versions: \u003c2.5.48.","status":"published","published":"2026-10-19T09:19:45.056Z","modified":"2026-10-28T02:30:29.726692162Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:55.938017Z"}]}}