Skip to content
Fencer Vulns
medium 6.1

CVE-2020-24912 json

qcubed reflected cross-site scripting (XSS) vulnerability

published 2021-03-04 5 y ago modified 2026-07-09 4 mo ago also GHSA-xj4v-gp4q-h6qq , EUVD-2022-5803

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.3%
EPSS 6.3% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known, plus a Nuclei check

Summary

A reflected cross-site scripting (XSS) vulnerability in qcubed (all versions including 3.1.1) in profile.php via the stQuery-parameter allows unauthenticated attackers to steal sessions of authenticated users.

Patch / fix

  • packagist qcubed/qcubed 3.2

Exploit prediction

6.34% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template QCube Cross-Site-Scripting nuclei detection template
  • ait.ac.at https://www.ait.ac.at/themen/cyber-security/pentesting/security-advisories/ait-sa-20210215-03 referenced PoC, tagged "exploit" by a source, unverified
  • tech.feedyourhead.at https://tech.feedyourhead.at/content/QCubed-Cross-Site-Scripting-CVE-2020-24912 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2021/Mar/30 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
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist qcubed/qcubed
<3.2
3.2

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.