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CVE-2026-40787
WordPress Quiz And Survey Master plugin <= 11.0.0 - Cross Site Scripting (XSS) vulnerability
High7.1EPSS 0.18%
- Published
- Updated
- Reserved
- Assigned by
- Patchstack
Description
Unauthenticated Cross Site Scripting (XSS) in Quiz And Survey Master <= 11.0.0 versions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| PatchstackCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L |
| NVDNVD · Deferred | 3.1 | High7.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 0.18% · top 93% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
ExpressTech · Quiz And Survey Master
- affected n/a – ≤ 11.0.0
What to do
Solution: Update the WordPress Quiz And Survey Master Plugin to the latest available version (at least 11.1.0).
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-40787)Record last updated .