XSS in Cpanel

CVE-2021-31803

cPanel before 94.0.3 allows self-XSS via EasyApache 4 Save Profile (SEC-581).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cpanel
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-31803?: CVE-2021-31803 is a medium-severity vulnerability in Cpanel, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-26.
How severe is CVE-2021-31803?: Medium severity. CVSS v3 base score is 6.1 out of 10.