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CVE-2021-25101

MEDIUMCVSS 4.8/10EPSS 0.59%

Last modified

CVE-2021-25101 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Anti-Malware Security and Brute-Force Firewall WordPress plugin before 4.20.94 does not sanitise and escape the POST data before outputting it back in attributes of an admin page, leading to a Reflected Cross-Site scripting. Due to the presence of specific parameter value, available to admin users, this can only be exploited by an admin against another admin user.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

The Anti-Malware Security and Brute-Force Firewall WordPress plugin before 4.20.94 does not sanitise and escape the POST data before outputting it back in attributes of an admin page, leading to a Reflected Cross-Site scripting. Due to the presence of specific parameter value, available to admin users, this can only be exploited by an admin against another admin user.

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
0.59%

43.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Anti-Malware Security And Brute-Force Firewall ProjectAnti-Malware Security And Brute-Force Firewall< 4.20.94

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-25101?
The Anti-Malware Security and Brute-Force Firewall WordPress plugin before 4.20.94 does not sanitise and escape the POST data before outputting it back in attributes of an admin page, leading to a Reflected Cross-Site scripting. Due to the presence of specific parameter value, available to admin users, this can only be exploited by an admin against another admin user.
How severe is CVE-2021-25101?
CVE-2021-25101 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25101?
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-2021-25101?

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

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Source: NVD / NIST