CVE-2026-111658
CVE-2026-111658 · SiteServer SSCMS through 7.4.0 Cross-Site Authorization Bypass via Channels API
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
SiteServer SSCMS through 7.4.0 contains an authorization bypass vulnerability in ChannelsController that allows site-scoped administrators to access other sites' channels by supplying foreign channel IDs. Attackers with Channels permission on one site can read and overwrite another site's channel names, file paths, templates, link URLs, and custom fields, breaking multi-site isolation.
CVSS 5.1 · Moyenne · EPSS 0,3%
- Publication
- Mise à jour
Produits et versions concernés
sscms
- Versions du logiciel
- ≥ 0, ≤ 7.4.0: Concernée (custom)
Aucun correctif publié
Sources originales
- https://hackmd.io/@hieuPenguinnn/sscms-cross-site-channel-idor
- https://github.com/siteserver/cms/blob/sscms-v7.2.1/src/SSCMS.Web/Controllers/Admin/Cms/Channels/ChannelsController.Update.cs#L14-L31
- https://github.com/siteserver/cms/blob/sscms-v7.2.1/src/SSCMS.Web/Controllers/Admin/Cms/Channels/ChannelsController.Get.cs#L16-L41
- https://www.vulncheck.com/advisories/siteserver-sscms-through-7.4.0-cross-site-authorization-bypass-via-channels-api
- https://nvd.nist.gov/vuln/detail/CVE-2026-111658