CVE-2026-62140 ExpressTech Systems CVE debrief

Who should care

Defenders and administrators of WordPress installations using the Quiz And Survey Master plugin should assess exposure and prioritize patching or mitigation.

Why it matters

CVE-2026-62140 is a MEDIUM-severity vulnerability in Quiz And Survey Master plugin versions <= 11.2.5, allowing unauthenticated Insecure Direct Object References (IDOR). Defenders should prioritize verifying exposure and applying patches or mitigations.

• Potential unauthorized access to sensitive survey or quiz data
• Possible disruption of survey or quiz functionality
• Need for verification of plugin version and exposure
• Potential for exploitation attempts

Technical summary

Unauthenticated Insecure Direct Object References (IDOR) in Quiz And Survey Master plugin versions <= 11.2.5 allows attackers to access sensitive survey or quiz data without authentication, potentially disrupting survey or quiz functionality. Defenders should verify exposure and apply patches or mitigations, monitoring for exploitation attempts. The CVE record and NVD entry are

Defensive priority

Defenders should prioritize verifying exposure and applying patches or mitigations.

Recommended defensive actions

• Verify plugin version and exposure
• Apply patches or mitigations
• Monitor for potential exploitation attempts

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability.

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.