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Fencer Vulns
medium 6.1

CVE-2021-45281 json

QuickBox Pro v2.4.8 contains a cross-site scripting (XSS) vulnerability at "adminuseredit.php?usertoedit=XSS", as the user supplied input f…

published 2022-02-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32061

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

QuickBox Pro v2.4.8 contains a cross-site scripting (XSS) vulnerability at "adminuseredit.php?usertoedit=XSS", as the user supplied input for the value of this parameter is not properly sanitized.

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • websec.nl https://websec.nl/blog/61b2b37a43a1155c848f3b08/developing%20a%20remote%20code%20execution%20exploit%20for%20a%20popular%20media%20box referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

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

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.