CVE-2026-107862 ExpressTech CVE debrief

Who should care

WordPress administrators and users of the Quiz And Survey Master plugin should be aware of this vulnerability and take steps to verify their plugin version and protect against potential XSS attacks.

Why it matters

CVE-2026-107862 is a medium-severity Cross Site Scripting (XSS) vulnerability in the WordPress Quiz And Survey Master plugin. Defenders should prioritize verifying plugin versions, updating to a secure version, and monitoring user input to prevent potential XSS attacks.

• Defenders need to verify the presence of this vulnerability in their WordPress installations to prevent potential XSS attacks.
• Updating the Quiz And Survey Master plugin to a version beyond 11.2.7 is crucial to mitigate this vulnerability.
• Monitoring user input to the plugin can help prevent exploitation of this XSS vulnerability.
• Implementing additional security measures, such as web application firewalls, can provide further protection against XSS attacks.

Technical summary

The CVE-2026-107862 vulnerability is a Cross Site Scripting (XSS) issue in the WordPress Quiz And Survey Master plugin. It exists due to improper neutralization of input during web page generation, allowing for DOM-Based XSS attacks. The vulnerability affects versions up to and including 11.2.7 of the plugin and has a CVSS score of 6.5, indicating medium severity.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations and updating the Quiz And Survey Master plugin to a version beyond 11.2.7 if possible.

Recommended defensive actions

• Verify the version of the Quiz And Survey Master plugin in use and update to a version beyond 11.2.7 if necessary.
• Review and monitor user input to the plugin to prevent potential XSS attacks.
• Consider implementing additional security measures for WordPress installations, such as web application firewalls or intrusion detection systems.

Evidence notes

The CVE record and source item provide details on the vulnerability, including its existence in versions up to 11.2.7 of the Quiz And Survey Master plugin and its CVSS score. However, there is limited information on potential exploits or affected systems beyond the plugin version.

Sources and 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.