XSS in Wpdevart Coming Soon And Maintenance Mode

CVE-2021-24577

The Coming soon and Maintenance mode WordPress plugin before 3.5.3 does not properly sanitize inputs submitted by authenticated users when setting adding or modifying coming soon or maintenance mode pages, leading to stored XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.006 (47.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-24577: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24577?
CVE-2021-24577 is a medium-severity vulnerability in Wpdevart Coming Soon And Maintenance Mode, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-11.
How severe is CVE-2021-24577?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24577 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.