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PatchSiren cyber security CVE debrief

CVE-2026-49772 Liquid Web / StellarWP CVE debrief

A critical vulnerability was discovered in The Events Calendar plugin, affecting versions from 6.15.12 through 6.16.2. This vulnerability, CVE-2026-49772, is an Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') issue, which allows for blind SQL injection attacks. The CVSS score for this vulnerability is 9.3, indicating a critical severity level.

Vendor
Liquid Web / StellarWP
Product
The Events Calendar
CVSS
CRITICAL 9.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-16
Original CVE updated
2026-06-16
Advisory published
2026-06-16
Advisory updated
2026-06-16

Who should care

Users of The Events Calendar plugin, particularly those using versions between 6.15.12 and 6.16.2, should be aware of this vulnerability and take immediate action to mitigate the risk.

Technical summary

The vulnerability is caused by improper neutralization of special elements used in SQL commands, allowing attackers to inject malicious SQL code. This can lead to unauthorized access to sensitive data and potentially allow for blind SQL injection attacks.

Defensive priority

High

Recommended defensive actions

  • Update The Events Calendar plugin to a version outside of the affected range (6.15.12 - 6.16.2) as soon as possible.
  • Review and monitor database activity for suspicious queries.

Evidence notes

Evidence of this vulnerability was provided by Patchstack, as referenced in the CVE record.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-49772 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-49772

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

  • CVE-2026-49772 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-49772

    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.