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PatchSiren cyber security CVE debrief

CVE-2026-102499 Modern Events Calendar CVE debrief

The Modern Events Calendar Lite and Modern Event Calendar Pro WordPress plugins before version 7.37.0 are vulnerable to a SQL injection attack via the mec_attendees AJAX action. Authenticated users with Subscriber-level access and above can append additional SQL queries to existing queries and extract sensitive data from the database. This vulnerability allows for potential data breaches and emphasizes the need for prompt patching or mitigation to prevent exploitation. Defenders responsible for WordPress installations using these plugins should assess exposure and prioritize patching or mitigation.

Vendor
Modern Events Calendar
Product
Modern Events Calendar Lite
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-21
Original CVE updated
2026-10-21
Advisory published
2026-10-21
Advisory updated
2026-10-21

Who should care

Defenders responsible for WordPress installations using the Modern Events Calendar Lite or Modern Event Calendar Pro plugins should assess exposure and prioritize patching or mitigation.

Why it matters

CVE-2026-102499 is a SQL injection vulnerability in the Modern Events Calendar Lite and Modern Event Calendar Pro WordPress plugins. Authenticated users with Subscriber-level access and above can exploit this vulnerability to extract sensitive data from the database. Defenders should prioritize patching or mitigation to prevent potential data breaches.

  • Authenticated users can extract sensitive data from the database
  • SQL injection vulnerability allows for potential data breaches
  • Patching or mitigation is necessary to prevent exploitation

Technical summary

The Modern Events Calendar Lite and Modern Event Calendar Pro WordPress plugins before version 7.37.0 do not sanitize and escape a parameter before using it in a SQL statement. This allows authenticated users with Subscriber-level access and above to append additional SQL queries to existing queries and extract sensitive data from the database. The vulnerability is a SQL injection attack via the mec_attendees AJAX action, emphasizing the need for prompt patching or mitigation to prevent potential data breaches. Defenders should prioritize patching or mitigating this vulnerability.

Defensive priority

Defenders should prioritize patching or mitigating this vulnerability, as it allows authenticated users to extract sensitive data from the database.

Recommended defensive actions

  • Patch or update Modern Events Calendar Lite and Modern Event Calendar Pro to version 7.37.0 or later
  • Restrict access to the mec_attendees AJAX action
  • Monitor for suspicious database queries
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and source item provide details on the vulnerability, including the affected plugins and versions. However, the corpus does not provide information on exploitation or impact. The vulnerability is a SQL injection attack via the mec_attendees AJAX action, allowing authenticated users with Subscriber-level access and above to extract sensitive data. Defenders should verify the affected scope and severity based on the official advisory or CVE record. The CVE Program record (cve-org) and NIST NVD detail page (nvd) offer key

Sources and references

Verified primary and authoritative sources

  • CVE-2026-102499 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-102499

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

  • CVE-2026-102499 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-102499

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

Supplemental references

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.