CVE-2021-24756

CVE-2021-24756 is a medium-severity vulnerability in Wp System Log Project Wp System Log with a CVSS 3.x base score of 6.1. 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 WP System Log WordPress plugin before 1.0.21 does not sanitise, validate and escape the IP address retrieved from login requests before outputting them in the admin dashboard, which could allow unauthenticated attacker to perform Cross-Site Scripting attacks against admins viewing the logs.

Frequently asked questions

What is CVE-2021-24756?
The WP System Log WordPress plugin before 1.0.21 does not sanitise, validate and escape the IP address retrieved from login requests before outputting them in the admin dashboard, which could allow unauthenticated attacker to perform Cross-Site Scripting attacks against admins viewing the logs.
How severe is CVE-2021-24756?
CVE-2021-24756 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24756 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24756?
CVE-2021-24756 affects Wp System Log Project Wp System Log. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24756?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24756 published?
CVE-2021-24756 was published on 2021-12-13 and last updated on 2026-06-17.

References

Affected products (1)

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