GHSA-xj4v-gp4q-h6qq · Severity: medium · Ecosystem: composer — qcubed reflected cross-site scripting (XSS) vulnerability
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.
Conclusion & alert: CVE-2020-24912 is rated High Exploit Risk (78.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 60.87%, 98th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +28.95% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-20 | 31.92% | 60.87% | +28.95% |
| 2 | 2026-03-05 | 37.06% | 31.92% | -5.14% |
| 3 | 2026-01-18 | — | 37.06% | — |
Full EPSS history (24 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-xj4v-gp4q-h6qq · Severity: medium · Ecosystem: composer — qcubed reflected cross-site scripting (XSS) vulnerability
| URL | Tags |
|---|---|
| http://qcubed.com | Product |
| http://seclists.org/fulldisclosure/2021/Mar/30 | Exploit Mailing List Third Party Advisory |
| https://tech.feedyourhead.at/content/QCubed-Cross-Site-Scripting-CVE-2020-24912 | Exploit Patch Third Party Advisory |
| https://www.ait.ac.at/themen/cyber-security/pentesting/security-advisories/ait-sa-20210215-03 | Exploit Patch Third Party Advisory |