{"id":"CVE-2024-36109","aliases":["EUVD-2024-35885","GHSA-8w44-hggw-p5rf"],"status":"published","title":"Cross-site Scripting with Markdown rendering in CoCalc","description":"CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. In affected versions the markdown parser allows `\u003cscript\u003e` tags to be included which execute when published. This issue has been addressed in commit `419862a9c9879c`. Users are advised to upgrade. There are no known workarounds for this vulnerability.","severity":{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00406,"percentile":0.35351,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-05-28T18:40:55Z","modified":"2026-10-28T02:30:29Z","products":[{"vendor":"sagemath","product":"cocalc"},{"vendor":"sagemathinc","product":"cocalc"}],"references":[{"url":"https://github.com/sagemathinc/cocalc/security/advisories/GHSA-8w44-hggw-p5rf","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://github.com/sagemathinc/cocalc/commit/419862a9c9879c","tags":["x_refsource_MISC","x_transferred","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/36xxx/CVE-2024-36109.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36109","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-36109","title":"Cross-site Scripting with Markdown rendering in CoCalc","description":"CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. In affected versions the markdown parser allows `\u003cscript\u003e` tags to be included which execute when published. This issue has been addressed in commit `419862a9c9879c`. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2024-05-28T18:40:55.068Z","modified":"2024-08-02T03:30:13.042Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:14.985673Z"}],"euvd":[{"id":"EUVD-2024-35885","description":"CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. In affected versions the markdown parser allows `\u003cscript\u003e` tags to be included which execute when published. This issue has been addressed in commit `419862a9c9879c`. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2024-05-28T18:40:55Z","modified":"2024-08-02T03:30:13Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-03T03:50:20.360548Z"}],"nvd":[{"id":"CVE-2024-36109","description":"CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. In affected versions the markdown parser allows `\u003cscript\u003e` tags to be included which execute when published. This issue has been addressed in commit `419862a9c9879c`. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2024-05-28T19:15:10.91Z","modified":"2026-06-17T07:36:07.397Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:02.520903Z"}],"osv":[{"id":"CVE-2024-36109","title":"Cross-site Scripting with Markdown rendering in CoCalc","description":"CoCalc is web-based software that enables collaboration in research, teaching, and scientific publishing. In affected versions the markdown parser allows `\u003cscript\u003e` tags to be included which execute when published. This issue has been addressed in commit `419862a9c9879c`. Users are advised to upgrade. There are no known workarounds for this vulnerability.","status":"published","published":"2024-05-28T18:40:55.068Z","modified":"2026-10-28T02:30:29.814795031Z","cvss":[{"version":"3.1","score":7.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:40.704083Z"}]}}