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Wed, 03 Jun 2026 19:15:00 +0000
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ssvc
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Wed, 03 Jun 2026 19:00:00 +0000
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| Description | Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been placed in the database. Thanks XananasX7 and Sanjorn Keeratirungsan (dizconnect) for both independently reporting. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 8.4 with vector CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. | |
| Title | Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction. | |
| Weaknesses | CWE-502 | |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: ConcreteCMS
Published:
Updated: 2026-06-03T19:07:56.723Z
Reserved: 2026-05-05T20:23:08.863Z
Link: CVE-2026-7888
Updated: 2026-06-03T19:07:52.022Z
Status : Received
Published: 2026-06-03T19:16:38.910
Modified: 2026-06-03T19:16:38.910
Link: CVE-2026-7888
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OpenCVE Enrichment
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