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.
Metrics
Affected Vendors & Products
References
History
Fri, 23 Oct 2026 16:30:00 +0000
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ssvc
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Fri, 23 Oct 2026 03:30:00 +0000
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Siteserver
Siteserver sscms |
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Siteserver
Siteserver sscms |
Fri, 16 Oct 2026 17:45:00 +0000
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| Description | 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. | |
| Title | SiteServer SSCMS through 7.4.0 Cross-Site Authorization Bypass via Channels API | |
| First Time appeared |
Sscms
Sscms sscms |
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| Weaknesses | CWE-639 | |
| CPEs | cpe:2.3:a:sscms:sscms:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Sscms
Sscms sscms |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-16T17:39:23.461Z
Updated: 2026-10-23T15:58:20.254Z
Reserved: 2026-10-16T14:31:15.965Z
Link: CVE-2026-111658
Updated: 2026-10-23T15:57:56.663Z
Status : Deferred
Published: 2026-10-16T18:17:47.227
Modified: 2026-10-23T16:16:50.950
Link: CVE-2026-111658
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