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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

PUBLISHED Reserved 2026-02-16 | Published 2026-06-03 | Updated 2026-06-04 | Assigner mitre

References

g03m0n.github.io/posts/cve-2026-26378/ exploit

github.com/Koha-Community/Koha

g03m0n.github.io

g03m0n.github.io/posts/cve-2026-26378/

cve.org (CVE-2026-26378)

nvd.nist.gov (CVE-2026-26378)

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