CVE-2024-4934: expresstech quiz and survey master Cross-site Scripting
Vulnerability summary
CVE-2024-4934 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in expresstech quiz and survey master. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.2% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 9.0.2.
Timeline
- 01-07-2024PublishedVulnerability first disclosed.
- 01-08-2024Last modifiedVulnerability information updated.
Description
The Quiz and Survey Master (QSM) WordPress plugin before 9.0.2 does not validate and escape some of its Quiz fields before outputting them back in a page/post where the Quiz is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA5.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:LDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Expresstech1 product
- quiz and survey master< 9.0.2
Unknown1 product
- quiz and survey master (qsm)< 9.0.2
Wordpress1 product
- quiz-master-next≤ 9.0.1 (fixed in 9.0.2)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/a2270ee1-3211-4b16-b3d7-6cdd732f7155/ExploitVDB EntryTechnical DescriptionThird Party Advisory