{"id":"CVE-2024-50344","aliases":["EUVD-2024-44831","GHSA-c2rm-w62w-5xmj"],"status":"published","title":"I, Librarian has a Stored XSS vulnerability in Supplemental Files","description":"I, Librarian is an open-source version of a PDF managing SaaS. Supplemental Files are allowed to be viewed in the browser, only if they have a white-listed MIME type. Unfortunately, this logic is broken, thus allowing unsafe files containing Javascript to be executed with the application context. An attacker can exploit this vulnerability by uploading a supplementary file that contains a malicious code or script. This code will then be executed when the file is loaded in the browser. The vulnerability was fixed in version 5.11.2.","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00302,"percentile":0.23091,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-80"],"published":"2024-10-30T15:51:30Z","modified":"2026-10-28T02:30:52Z","products":[{"vendor":"mkucej","product":"i-librarian-free"}],"references":[{"url":"https://github.com/mkucej/i-librarian-free/security/advisories/GHSA-c2rm-w62w-5xmj","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/mkucej/i-librarian-free/commit/a67d7949ffb02fd912ebdcf552df006b44066d78","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50344.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-50344","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-50344","title":"I, Librarian has a Stored XSS vulnerability in Supplemental Files","description":"I, Librarian is an open-source version of a PDF managing SaaS. Supplemental Files are allowed to be viewed in the browser, only if they have a white-listed MIME type. Unfortunately, this logic is broken, thus allowing unsafe files containing Javascript to be executed with the application context. An attacker can exploit this vulnerability by uploading a supplementary file that contains a malicious code or script. This code will then be executed when the file is loaded in the browser. The vulnerability was fixed in version 5.11.2.","status":"published","published":"2024-10-30T15:51:30.047Z","modified":"2024-10-30T16:02:30.738Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:34:21.784174Z"}],"euvd":[{"id":"EUVD-2024-44831","description":"I, Librarian is an open-source version of a PDF managing SaaS. Supplemental Files are allowed to be viewed in the browser, only if they have a white-listed MIME type. Unfortunately, this logic is broken, thus allowing unsafe files containing Javascript to be executed with the application context. An attacker can exploit this vulnerability by uploading a supplementary file that contains a malicious code or script. This code will then be executed when the file is loaded in the browser. The vulnerability was fixed in version 5.11.2.","status":"published","published":"2024-10-30T15:51:30Z","modified":"2024-10-30T16:02:30Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:14.330068Z"}],"nvd":[{"id":"CVE-2024-50344","description":"I, Librarian is an open-source version of a PDF managing SaaS. Supplemental Files are allowed to be viewed in the browser, only if they have a white-listed MIME type. Unfortunately, this logic is broken, thus allowing unsafe files containing Javascript to be executed with the application context. An attacker can exploit this vulnerability by uploading a supplementary file that contains a malicious code or script. This code will then be executed when the file is loaded in the browser. The vulnerability was fixed in version 5.11.2.","status":"published","published":"2024-10-30T16:15:04.763Z","modified":"2026-06-17T08:04:16.483Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:10:35.289159Z"}],"osv":[{"id":"CVE-2024-50344","title":"I, Librarian has a Stored XSS vulnerability in Supplemental Files","description":"I, Librarian is an open-source version of a PDF managing SaaS. Supplemental Files are allowed to be viewed in the browser, only if they have a white-listed MIME type. Unfortunately, this logic is broken, thus allowing unsafe files containing Javascript to be executed with the application context. An attacker can exploit this vulnerability by uploading a supplementary file that contains a malicious code or script. This code will then be executed when the file is loaded in the browser. The vulnerability was fixed in version 5.11.2.","status":"published","published":"2024-10-30T15:51:30.047Z","modified":"2026-10-28T02:30:52.154320316Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T15:44:44.032344Z"}]}}