CVE-2026-48867 ExpressTech CVE debrief

Who should care

Defenders responsible for Quiz And Survey Master plugin deployments should assess exposure and prioritize remediation.

Why it matters

CVE-2026-48867 is a high-severity unauthenticated Cross Site Scripting (XSS) vulnerability in Quiz And Survey Master plugin versions up to 11.1.2. Defenders should assess exposure, prioritize remediation, and verify inventory for this plugin.

• Defenders must verify inventory for Quiz And Survey Master plugin versions up to 11.1.2 to assess exposure.
• Remediation priority is high due to the unauthenticated XSS vulnerability.
• Defensive consequences include potential XSS attacks against users of the plugin.

Technical summary

CVE-2026-48867 is a high-severity unauthenticated Cross Site Scripting (XSS) vulnerability in Quiz And Survey Master plugin versions up to 11.1.2, with a CVSS score of 7.1.

Defensive priority

Defenders should prioritize verifying inventory for Quiz And Survey Master plugin versions up to 11.1.2 and assess exposure to potential XSS attacks.

Recommended defensive actions

• Verify inventory for Quiz And Survey Master plugin versions up to 11.1.2
• Assess exposure to potential XSS attacks
• Prioritize remediation for vulnerable plugin versions

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but vendor remediation and affected scope require verification.

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.