CVE-2026-58451
Horde IMP before 7.0.1 contains a path traversal vulnerability in lib/Compose.php that allows authenticated attackers to read arbitrary files from the server filesystem by embedding traversal sequences after a CKEditor path prefix in img src URLs. Attackers can bypass the stripos() prefix validation by appending sequences such as traversal segments after the matching prefix, causing file_get_contents() to read sensitive files whose contents are then exfiltrated as MIME parts in outgoing email; unauthenticated exploitation is also achievable via CSRF against an active authenticated session.
Слабость
Horde IMP before 7.0.1 contains a path traversal vulnerability in lib/Compose.php that allows authenticated attackers to read arbitrary files from the server filesystem by embedding traversal sequences after a CKEditor path prefix in img src URLs. Attackers can bypass the stripos() prefix validation by appending sequences such as traversal segments after the matching prefix, causing file_get_contents() to read sensitive files whose contents are then exfiltrated as MIME parts in outgoing email; unauthenticated exploitation is also achievable via CSRF against an active authenticated session.
Источники
- https://blog.evan.lat/posts/CVE-2026-58451/
- https://github.com/horde/imp/commit/fba972fab72ee6871e5d56e6390bee38593085de
- https://github.com/horde/imp/pull/85
- https://github.com/horde/imp/releases/tag/v7.0.1
- https://www.horde.org/apps/imp
- https://www.vulncheck.com/advisories/horde-imp-path-traversal-via-compose-php-img-src
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