WordPress security changelog
MEDIUM CVE-2022-0150 Modified

WP Accessibility Helper (WAH): Cross-site scripting

WP Accessibility Helper (WAH) 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
WP Accessibility Helper (WAH)
Plugin slug
wp-accessibility-helper
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Feb 28, 2022
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Feb 28, 2022 and is one of 6 known issues for this plugin.

Update, patch or deactivate.

Update WP Accessibility Helper (WAH) 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 Accessibility Helper (WAH) WordPress plugin before 0.6.0.7 does not sanitise and escape the wahi parameter before outputting back its base64 decode value in the page, leading to a Reflected Cross-Site Scripting issue

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