Similar Posts <= 3.1.5 - Admin+ Arbitrary PHP Code Execution

2021-10-11 00:00

bl4derunner

Strategic Overview

Status

Patched in 3.1.6

Affected PluginSimilar Posts – Best Related Posts Plugin for WordPress

Affected Version<= 3.1.5

CVSS7.2High

CVECVE-2021-24537

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 3.1.6, or a newer patched version --- IDENTIFIER: CWE-94 (Improper Control of Generation of Code ('Code Injection')) The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24537 https://www.wordfence.com/threat-intel/vulnerabilities/id/e08c3db4-6353-4bca-ab89-af46e5a0a128

CVSS Vector

7.2

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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