{"id":"CVE-2026-26378","state":"PUBLISHED","title":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via file upload function in Invoice features","description":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via file upload function in Invoice features","publishedAt":"2026-06-03T00:00:00.000Z","updatedAt":"2026-06-04T12:29:08.564Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/Koha-Community/Koha","https://g03m0n.github.io","https://g03m0n.github.io/posts/cve-2026-26378/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/26xxx/CVE-2026-26378.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-26378","state":"PUBLISHED","datePublished":"2026-06-03T00:00:00.000Z","dateUpdated":"2026-06-04T12:29:08.564Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-02-16T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via file upload function in Invoice features"}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/Koha-Community/Koha"},{"url":"https://g03m0n.github.io"},{"url":"https://g03m0n.github.io/posts/cve-2026-26378/"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-06-03T17:40:37.682Z"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://g03m0n.github.io/posts/cve-2026-26378/","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":5.4,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-06-04T12:28:28.085915Z","id":"CVE-2026-26378","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-04T12:29:08.564Z"}}]}}}