PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-16263 WP Maps CVE debrief

The WP Maps WordPress plugin before 4.9.7 does not perform a capability check in one of its AJAX actions and does not properly validate a user-controlled path before using it in a file inclusion, allowing users with a Subscriber account to include and execute arbitrary existing local PHP files on the server. This vulnerability, with a CVSS score of 8.8 and considered HIGH severity, enables attackers to execute arbitrary PHP code, potentially leading to unauthorized access and code execution. Affected administrators and users should prioritize patching or upgrading to version 4.9.7 or later to mitigate this risk. The CVE record and NVD entry provide details on the vulnerability, but defenders should verify the existence of affected WP Maps plugin deployments and review the official advisory for specific guidance. Additional review of system logs and monitoring for exposed assets is recommended to ensure the vulnerability is not being exploited.

Vendor
WP Maps
Product
WP Maps
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-07
Original CVE updated
2026-08-26
Advisory published
2026-08-07
Advisory updated
2026-08-26

Who should care

Administrators and users of the WP Maps WordPress plugin, as well as security teams responsible for monitoring and patching vulnerabilities in WordPress plugins, should be aware of this vulnerability and take immediate action to protect their deployments. This includes reviewing the official advisory, assessing exposure, and applying patches or mitigations as needed. Additionally, security teams should monitor for suspicious activity and perform inventory checks for WP Maps plugin versions to ensure the vulnerability is not being exploited.

Technical summary

The WP Maps WordPress plugin before 4.9.7 is vulnerable to arbitrary PHP file inclusion and execution due to a lack of capability checks and improper validation of user-controlled paths in one of its AJAX actions. This vulnerability allows users with a Subscriber account to include and execute arbitrary existing local PHP files on the server, potentially leading to code execution and unauthorized access. The vulnerability has a CVSS score of 8.8 and is considered HIGH severity. Affected administrators and users should prioritize patching or upgrading to version 4.9.7 or later.

Defensive priority

High-priority defensive actions are required to address this vulnerability, as it allows for arbitrary PHP file inclusion and execution.

Recommended defensive actions

  • Apply the patch or upgrade to version 4.9.7 or later
  • Restrict access to the affected AJAX action
  • Monitor for suspicious activity
  • Perform inventory checks for WP Maps plugin versions
  • Consider compensating controls, such as web application firewalls

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 8.8 and severity of HIGH. However, further analysis is needed to fully understand the impact and affected scope. Defenders should verify the existence of affected WP Maps plugin deployments, review the official advisory for specific guidance, and monitor for suspicious activity. The vulnerability allows for arbitrary PHP file inclusion and execution, which could lead to significant impact if exploited. Additional review of system logs and monitoring for exposed assets is recommended.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16263 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16263

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

  • CVE-2026-16263 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16263

    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.