WordPress security changelog
MEDIUM CVE-2022-1001 Modified

WP Downgrade: A security weakness

WP Downgrade 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 4.8 CVSS · contact@wpscan.com
NVD score 4.8 CVSS 3.1 · nvd@nist.gov
Component
WP Downgrade
Plugin slug
wp-downgrade
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Apr 18, 2022
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Apr 18, 2022 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update WP Downgrade 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 Downgrade WordPress plugin before 1.2.3 only perform client side validation of its "WordPress Target Version" settings, but does not sanitise and escape it server side, allowing high privilege users such as admin to perform Cross-Site attacks even when the unfiltered_html capability is disallowed

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

Primary and upstream sources