{"id":"CVE-2026-26377","aliases":["EUVD-2026-9824","GHSA-jf6c-m3q5-vfm4"],"status":"published","title":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute...","description":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via the News function.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00434,"percentile":0.3818,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-03-05T00:00:00Z","modified":"2026-10-28T02:31:04Z","products":[{"vendor":"koha","product":"koha"}],"references":[{"url":"https://github.com/Koha-Community/Koha","tags":["Product","package"]},{"url":"https://g03m0n.github.io/","tags":["Third Party Advisory","web"]},{"url":"https://g03m0n.github.io/posts/cve-2026-26377/","tags":["Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26377","tags":["advisory"]},{"url":"https://g03m0n.github.io"},{"url":"https://g03m0n.github.io/posts/cve-2026-26377"},{"url":"https://github.com/advisories/GHSA-jf6c-m3q5-vfm4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26377.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-26377","description":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via the News function.","status":"published","published":"2026-03-05T00:00:00Z","modified":"2026-03-10T14:33:25.148Z","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":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-9824","description":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via the News function.","status":"published","published":"2026-03-05T00:00:00Z","modified":"2026-03-10T14:33:25Z","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":"2026-11-02T19:48:05.412027Z"}],"ghsa":[{"id":"GHSA-jf6c-m3q5-vfm4","title":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute...","description":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via the News function.","status":"published","published":"2026-03-05T18:31:37Z","modified":"2026-03-06T21:31:44Z","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":"2026-11-02T15:06:29.785261Z"}],"nvd":[{"id":"CVE-2026-26377","description":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via the News function.","status":"published","published":"2026-03-05T16:16:16.35Z","modified":"2026-06-17T10:26:09.923Z","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":"primary"},{"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":"2026-11-02T14:12:07.852448Z"}],"osv":[{"id":"CVE-2026-26377","description":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via the News function.","status":"published","published":"2026-03-05T00:00:00Z","modified":"2026-10-28T02:31:04.283486195Z","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":"2026-11-02T15:44:59.80315Z"}]}}