Strix
26.1K

CVE-2021-24533

MEDIUMCVSS 4.8/10EPSS 0.62%

Last modified

CVE-2021-24533 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend

Metrics

CVSS 3.1
4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.62%

45.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WebfactoryltdMaintenance< 4.03

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-24533?
The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend
How severe is CVE-2021-24533?
CVE-2021-24533 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.
How do I fix CVE-2021-24533?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24533?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST