XSS in Rpcms

CVE-2021-37393

In RPCMS v1.8 and below, the "nickname" variable is not properly sanitized before being displayed on page. Attacker can use "update password" function to inject XSS payloads into nickname variable, and achieve stored XSS. Users who view the articles published by the injected user will trigger the XSS.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Rpcms
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-37393?
CVE-2021-37393 is a medium-severity vulnerability in Rpcms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-07-26.
How severe is CVE-2021-37393?
Medium severity. CVSS v3 base score is 5.4 out of 10.