CVE-2021-25101

CVE-2021-25101 is a medium-severity vulnerability in Anti-malware Security And Brute-force Firewall Project Anti-malware Security And Brute-force Firewall with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

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.

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 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-25101 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-25101?
CVE-2021-25101 affects Anti-malware Security And Brute-force Firewall Project Anti-malware Security And Brute-force Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25101?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25101 published?
CVE-2021-25101 was published on 2022-02-21 and last updated on 2026-06-17.

References

Affected products (1)

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