WordPress security changelog
MEDIUM CVE-2021-24756 Modified

WP System Log: Cross-site scripting

WP System Log is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 6.1 CVSS · contact@wpscan.com
NVD score 6.1 CVSS 3.1 · nvd@nist.gov
Component
WP System Log
Plugin slug
wp-system-log
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Dec 13, 2021
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Dec 13, 2021 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update WP System Log to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical 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.

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

Primary and upstream sources