WordPress security changelog
HIGH CVE-2021-24537 Modified

Similar Posts: A security weakness

Similar Posts is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 7.2 CVSS · contact@wpscan.com
NVD score 7.2 CVSS 3.1 · nvd@nist.gov
Component
Similar Posts
Plugin slug
similar-posts
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Nov 08, 2021
Weakness
CWE-94 — Improper Control of Generation of Code ('Code Injection')
NVD-CWE-Other

This CVE was published Nov 08, 2021 and is one of 2 known issues for this plugin.

Update, patch or deactivate.

Update Similar Posts 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 Similar Posts WordPress plugin through 3.1.5 allow high privilege users to execute arbitrary PHP code in an hardened environment (ie with DISALLOW_FILE_EDIT, DISALLOW_FILE_MODS and DISALLOW_UNFILTERED_HTML set to true) via the 'widget_rrm_similar_posts_condition' widget setting of the plugin.

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

Primary and upstream sources