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Fencer Vulns
medium 5.5

CVE-2024-4934 json

Quiz And Survey Master < 9.0.2 - Contributor+ Stored XSS

published 2024-07-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-44501

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

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

Patch / fix

  • Unknown Quiz and Survey Master (QSM) 9.0.2
  • expresstech quiz_and_survey_master 9.0.2

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/a2270ee1-3211-4b16-b3d7-6cdd732f7155/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
CNA 3.1 5.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Affected products

  • Unknown Quiz and Survey Master (QSM)
  • expresstech quiz_and_survey_master

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.