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Vulnerability record · CVE-2021-45281 · published 7 February 2022

CVE-2021-45281: Quickbox cross-site scripting vulnerability

Quickbox · Quickbox

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.

6.1 CVSS 3.1 Medium EPSS 0.72% · top 48.1% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.72%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://websec.nl/blog/61b2b37a43a1155c848f3b08/developing%20a%20remote%20code%20execution%20exploit%20for%20a%20popular ExploitThird Party Advisory
https://websec.nl/blog/61b2b37a43a1155c848f3b08/developing%20a%20remote%20code%20execution%20exploit%20for%20a%20popular ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-45281), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.