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PatchSiren cyber security CVE debrief

CVE-2026-39518 EventPrime CVE debrief

CVE-2026-39518 is a HIGH-severity vulnerability in EventPrime, a WordPress plugin for event calendar management. The vulnerability, published on 2026-06-15T21:16:46.333Z and last modified on 2026-06-15T21:24:32.790Z, has a CVSS score of 7.1. It is classified as an Insecure Direct Object References (IDOR) vulnerability, which could allow attackers to access sensitive data or perform unauthorized actions. The vulnerability affects EventPrime versions up to and including 4.3.0.0.

Vendor
EventPrime
Product
Unknown
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of EventPrime plugin for WordPress, particularly those with subscriber roles, should be aware of this vulnerability. It is recommended to update to a patched version of the plugin as soon as possible.

Technical summary

The vulnerability is caused by inadequate access control in the EventPrime plugin, allowing subscribers to access or manipulate objects they should not have access to. This could lead to unauthorized data exposure or modification.

Defensive priority

HIGH

Recommended defensive actions

  • Update EventPrime to a version that fixes the IDOR vulnerability.
  • Review and restrict access controls for subscriber roles in WordPress.
  • Monitor for suspicious activity related to event calendar management.

Evidence notes

The CVE was published by the National Vulnerability Database (NVD) and details were provided by Patchstack.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39518 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39518

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-39518 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39518

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.