EUVD-2026-77428
GHSA-cjwg-q7rf-chx4
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
eval() RCE grants full host-level access once admin auth is satisfied; PR:H limits reach but scope changes to underlying system.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
A security vulnerability has been detected in Yot CMS up to 3.3.1. Affected by this issue is the function eval of the file modsys/console/admin.php of the component Admin Console. Such manipulation of the argument text leads to code injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
AnalysisAI
Remote code execution in Yot CMS 3.3.0 and 3.3.1 is achievable by an authenticated administrator through the Admin Console's unsanitized use of PHP's eval() function in modsys/console/admin.php, where the text POST parameter is passed directly to eval() without validation. A publicly available proof-of-concept on GitHub demonstrates the attack. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid Yot CMS administrator account - the CVSS 4.0 vector specifies PR:H (high privileges). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 2.0 (with E:P exploit maturity modifier reducing from a higher base) correctly reflects the PR:H requirement - an attacker must already possess administrator credentials before reaching the vulnerable eval() call. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been identified at time of analysis - no fixed version was confirmed in the available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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