{"id":"CVE-2025-45055","aliases":["EUVD-2025-17552","GHSA-4377-g9q2-3wh5"],"status":"published","title":"Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event...","description":"Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event management module. An authenticated user can upload a malicious SVG file as an event attachment, which, when viewed by an administrator, executes embedded JavaScript in the admin's session. This allows attackers to escalate privileges by creating a new administrator account. The vulnerability arises from insufficient sanitization of SVG files and weak CSRF protections.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00325,"percentile":0.25904,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-06-09T00:00:00Z","modified":"2026-10-28T02:30:58Z","products":[{"vendor":"silverpeas","product":"silverpeas"}],"references":[{"url":"https://github.com/Silverpeas/Silverpeas-Core/pull/1394","tags":["Patch","fix"]},{"url":"https://medium.com/@mingihongkim/privilege-escalation-via-svg-injection-in-silverpeas-6-4-2-b5ab1d5b6955","tags":["exploit","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-45055","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4377-g9q2-3wh5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/45xxx/CVE-2025-45055.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-45055","description":"Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event management module. An authenticated user can upload a malicious SVG file as an event attachment, which, when viewed by an administrator, executes embedded JavaScript in the admin's session. This allows attackers to escalate privileges by creating a new administrator account. The vulnerability arises from insufficient sanitization of SVG files and weak CSRF protections.","status":"published","published":"2025-06-09T00:00:00Z","modified":"2025-06-09T19:48:13.215Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:36.385228Z"}],"euvd":[{"id":"EUVD-2025-17552","description":"Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event management module. An authenticated user can upload a malicious SVG file as an event attachment, which, when viewed by an administrator, executes embedded JavaScript in the admin's session. This allows attackers to escalate privileges by creating a new administrator account. The vulnerability arises from insufficient sanitization of SVG files and weak CSRF protections.","status":"published","published":"2025-06-09T00:00:00Z","modified":"2025-06-09T19:48:13Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:32:27.346488Z"}],"ghsa":[{"id":"GHSA-4377-g9q2-3wh5","title":"Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event...","description":"Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event management module. An authenticated user can upload a malicious SVG file as an event attachment, which, when viewed by an administrator, executes embedded JavaScript in the admin's session. This allows attackers to escalate privileges by creating a new administrator account. The vulnerability arises from insufficient sanitization of SVG files and weak CSRF protections.","status":"published","published":"2025-06-09T18:32:13Z","modified":"2025-06-09T21:31:54Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:02:38.912983Z"}],"nvd":[{"id":"CVE-2025-45055","description":"Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event management module. An authenticated user can upload a malicious SVG file as an event attachment, which, when viewed by an administrator, executes embedded JavaScript in the admin's session. This allows attackers to escalate privileges by creating a new administrator account. The vulnerability arises from insufficient sanitization of SVG files and weak CSRF protections.","status":"published","published":"2025-06-09T16:15:40.693Z","modified":"2026-06-17T09:25:22.223Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:11.4244Z"}],"osv":[{"id":"CVE-2025-45055","description":"Silverpeas 6.4.2 contains a stored cross-site scripting (XSS) vulnerability in the event management module. An authenticated user can upload a malicious SVG file as an event attachment, which, when viewed by an administrator, executes embedded JavaScript in the admin's session. This allows attackers to escalate privileges by creating a new administrator account. The vulnerability arises from insufficient sanitization of SVG files and weak CSRF protections.","status":"published","published":"2025-06-09T00:00:00Z","modified":"2026-10-28T02:30:58.623374356Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:49.707645Z"}]}}