| Titre | SeaCMS 13.6 Cross Site Scripting |
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| Description | SeaCMS 13.6 `err.php` reflects the user-controlled `errtxt` query parameter inside a `<textarea>` without proper HTML escaping. An unauthenticated attacker can inject `</textarea>` to break out of the element and append arbitrary HTML or JavaScript, resulting in reflected cross-site scripting when a victim opens the crafted URL. |
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| La source | ⚠️ https://github.com/T-Chachamaru/seacms-13.6-security-advisories/blob/a084a3e573240d54860153321df271280daec262/c-007-errtxt-reflected-xss.md |
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| Utilisateur | T-Chachamaru (UID 99844) |
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| Soumission | 16/07/2026 09:23 (il y a 2 mois) |
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| Modérer | 30/08/2026 08:42 (1 month later) |
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| Statut | Accepté |
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| Entrée VulDB | 397103 [SeaCMS jusqu’à 13.6 /err.php errtxt cross site scripting] |
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| Points | 19 |
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