Vulnerability · Published Sep 11, 2026 · Assigned by Patchstack
CVE-2026-62140WordPress Quiz And Survey Master plugin <= 11.2.5 - Insecure Direct Object References (IDOR) vulnerability
Medium 5.3
In plain English
A medium-severity authorization bypass via user-controlled key in Quiz And Survey Master from ExpressTech Systems. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 75.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Insecure Direct Object References (IDOR) in Quiz And Survey Master <= 11.2.5 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ExpressTech Systems | Quiz And Survey Master | n/a – through 11.2.5 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N