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Quiz And Survey Master WordPress plugin DOM-based XSS

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Improper neutralization of input during web page generation in the Quiz And Survey Master WordPress plugin (quiz-master-next) by ExpressTech allows DOM-based cross-site scripting (CWE-79). The issue affects versions through 11.2.7. The CVSS 3.1 base score is 6.5 (Medium), and the vector requires low privileges and user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows DOM-Based XSS.This issue affects Quiz And Survey Master: from n/a through 11.2.7.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00166 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ExpressTechQuiz And Survey Masterup to 11.2.7—No fix listedCNA
  • Quiz And Survey Master VendorExpressTech Affected up to 11.2.7 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for Quiz And Survey Master. Check the vendor for an update, and review whether the plugin is needed on affected sites.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-107862
  2. 2026-10-12 Alias added: GHSA-24cx-hg9p-pjg3
  3. 2026-10-13 CISA SSVC decision points changed
  4. 2026-10-13 Priority changed: MEDIUM → LOW

References

  • TI-2020-18392 An issue was discovered in the Quiz and Survey Master plugin before 7.0.1 for WordPress. CVSS 3.1CRITICAL 9.9
  • TI-2024-05207 Quiz And Survey Master < 9.0.2 - Contributor+ SQLi CVSS 3.1HIGH 8.8
  • TI-2024-05583 Quiz and Survey Master < 9.0.5 - Contributor+ Stored XSS CVSS 3.1MEDIUM 6.5
  • TI-2024-09897 Quiz and Survey Master (QSM) < 9.2.1 - Author+ Stored XSS CVSS 3.1MEDIUM 6.1
  • TI-2024-05932 Quiz and Survey Master (QSM) < 9.1.0 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.9
  • TI-2024-04590 Quiz And Survey Master < 9.0.2 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.5
See all 65 →

Sources