EUVD-2026-70854
GHSA-g7x4-45c8-wpx3
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/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
Network-accessible IDOR requiring no authentication; impact limited to low confidentiality disclosure of chapter content, with no integrity or availability effect.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
A security vulnerability has been detected in light0011 cms c774dce31c6df0055568a8d5c53d964d99be199d/f72cf46f601efb2a0618c3814cc2f61380b38930. This issue affects some unknown processing of the file App/Home/Controller/ChapterController.class.php of the component Chapter Controller. Such manipulation of the argument content leads to authorization bypass. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The project was informed of the problem early through an issue report but has not responded yet.
AnalysisAI
Authorization bypass in the light0011 CMS Chapter Controller (ChapterController.class.php) exposes chapter content to unauthenticated remote attackers through insecure direct object reference (IDOR). By manipulating the content argument in HTTP requests, an attacker can reference chapter objects they are not permitted to access, circumventing the controller's access control entirely. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions required - exploitation is possible over the network without authentication against any default deployment of light0011 CMS, per the CVSS 4.0 AV:N/PR:N vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 5.5 (AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N, E:P) accurately reflects the bounded impact: exploitation is trivially simple with no authentication or preconditions, but the impact ceiling is low (confidentiality only, VC:L) with zero integrity or availability consequences. … 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 identified at time of analysis; the maintainer has not responded to the responsible disclosure reported via GitHub issue #5 (https://github.com/light0011/cms/issues/5). … Detailed patch versions, workarounds, and compensating controls in full report. |
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