XSS in Yith Maintenance Mode (Wordpress Plugin)

CVE-2021-36841

Authenticated Stored Cross-Site Scripting (XSS) vulnerability in YITH Maintenance Mode (WordPress plugin) versions <= 1.3.7, vulnerable parameter &yith_maintenance_newsletter_submit_label. Possible even when unfiltered HTML is disallowed by WordPress configuration.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-36841?
CVE-2021-36841 is a medium-severity vulnerability in Yith Maintenance Mode (Wordpress Plugin), classified under Cross-site Scripting. CVSS score: 6.9/10. Published 2021-09-27.
How severe is CVE-2021-36841?
Medium severity. CVSS v3 base score is 6.9 out of 10.
Is CVE-2021-36841 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.