Simple 301 Redirects 2.0.0 - 2.0.3 - Authenticated Arbitrary Plugin Installation

2021-05-26 00:00

Strategic Overview

Status

Patched in 2.0.4

Affected PluginSimple 301 Redirects By BetterLinks – Easy WordPress Redirect Manager for Redirects, 404 Error Log & More

Affected Version2.0.0 – 2.0.3

CVSS8.8High

CVECVE-2021-24354

View all Simple 301 Redirects By BetterLinks – Easy WordPress Redirect Manager for Redirects, 404 Error Log & More vulnerabilities

Vulnerability Overview

A lack of capability checks and insufficient nonce check on the AJAX action in the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, made it possible for authenticated users to install arbitrary plugins on vulnerable sites.

Technical Analysis

REMEDIATION: Update to version 2.0.4, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24354 https://www.wordfence.com/threat-intel/vulnerabilities/id/a971c80b-c71a-4c58-8291-c8918af034d9

CVSS Vector

8.8

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

Base

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

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