XSS in Wpfront Notification Bar

CVE-2021-24601

The WPFront Notification Bar WordPress plugin before 2.1.0.08087 does not properly sanitise and escape its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

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 (47.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% 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-2021-24601: 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-2021-24601?
CVE-2021-24601 is a medium-severity vulnerability in Wpfront Notification Bar, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-06.
How severe is CVE-2021-24601?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24601 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.