WordPress
CVE-2026-1655
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The EventPrime plugin for WordPress is vulnerable to unauthorized post modification due to missing authorization checks in all versions up to, and including, 4.2.8.4. This is due to the save_frontend_event_submission function accepting a user-controlled event_id parameter and updating the corresponding event post without enforcing ownership or capability checks. This makes it possible for authenticated (Customer+) attackers to modify posts created by administrators by manipulating the event_id parameter granted they can obtain a valid nonce.
AnalysisAI
Authenticated users can modify WordPress posts in the EventPrime plugin (versions up to 4.2.8.4) due to missing authorization validation in the event submission function, allowing customer-level attackers to alter administrator-created events by manipulating post identifiers if they possess a valid nonce. The vulnerability requires user authentication and does not enable unauthorized access but permits unauthorized modification of existing content.
Technical ContextAI
This vulnerability (CWE-862: Missing Authorization) affects EventPrime (WordPress plugin). The EventPrime plugin for WordPress is vulnerable to unauthorized post modification due to missing authorization checks in all versions up to, and including, 4.2.8.4. This is due to the save_frontend_event_submission function accepting a user-controlled event_id parameter and updating the corresponding event post without enforcing ownership or capability checks. This makes it possible for authenticated (Customer+) attackers to modify posts created by administrators by manipulating the event_id p
Affected ProductsAI
Vendor: WordPress. Product: EventPrime (WordPress plugin). Versions: up to 4.2.8.4..
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-862 – Missing Authorization
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External POC / Exploit Code
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