CVE-2022-0150: WP Accessibility Helper (WAH) < 0.6.0.7 - Reflected Cross-Site Scripting (XSS)

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-02-28 · updated 2026-06-17
Weakness: CWE-79

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

Affected products

WP Accessibility Helper (WAH): before 0.6.0.7 — fixed in 0.6.0.7

How to fix

Upgrade to a fixed version: WP Accessibility Helper (WAH) 0.6.0.7. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2661008
https://wpscan.com/vulnerability/7142a538-7c3d-4dd0-bd2c-cbd2efaf53c5
https://plugins.trac.wordpress.org/changeset/2661008
https://wpscan.com/vulnerability/7142a538-7c3d-4dd0-bd2c-cbd2efaf53c5

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