WordPress security changelog
MEDIUM CVE-2021-24976 Modified

Smart SEO Tool: Cross-site scripting

Smart SEO Tool is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. 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
Smart SEO Tool
Plugin slug
smart-seo-tool
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jan 24, 2022
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Jan 24, 2022 and is one of 2 known issues for this plugin.

Patch or disable the affected component.

Update Smart SEO Tool to a release outside the affected range, or disable and remove it until a fixed version is available.

Technical description

The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting

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