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Fencer Intel
medium 4.8

CVE-2021-24701 json

Quiz Tool Lite <= 2.3.15 - Multiple Admin+ Stored Cross-Site Scripting

published 5y ago modified 4mo ago also EUVD-2021-11613

cvss
4.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

The Quiz Tool Lite WordPress plugin through 2.3.15 does not sanitize multiple input fields used when creating or managing quizzes and in other setting options, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Is CVE-2021-24701 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/f7b95789-43f2-42a5-95e6-eb7accbd5ed3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Unknown Quiz Tool Lite

Classification

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

References

Sources

Fencer Intel 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.