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CVE-2026-9199— Equalize Digital Accessibility Checker <= 1.42.1 - Missing Authorization to Authenticated (Author+) Arbitrary Accessibility Issue Modification via 'largeBatch' Parameter

Quick assessment

Affected
equalizedigital Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

equalizedigital Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance是equalizedigital的网站可访问性检测插件。 equalizedigital Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance 1.42.1及之前版本存在授权问题漏洞，该漏洞源于未正确验

CVSS 4.3 · Medium EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 1

VendorProduct Version RangeStatus
equalizedigital Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance ≤ 1.42.1 affected
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I. Basic Information for CVE-2026-9199

Vulnerability Information
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Vulnerability Title
Equalize Digital Accessibility Checker <= 1.42.1 - Missing Authorization to Authenticated (Author+) Arbitrary Accessibility Issue Modification via 'largeBatch' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.42.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with author-level access and above, to dismiss, ignore, or restore accessibility audit issue records belonging to posts they are not permitted to edit by supplying an issue from their own post as an authorization token to affect matching issues across the entire site. An Author-level user can exploit this by passing largeBatch=true on a dismiss-issue request referencing one of their own post's issues, causing the handler to bulk-modify all site-wide accessibility issues sharing the same 'object' value — including those belonging to administrator-owned posts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
equalizedigital Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
equalizedigital Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance是equalizedigital的网站可访问性检测插件。 equalizedigital Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance 1.42.1及之前版本存在授权问题漏洞，该漏洞源于未正确验
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
equalizedigital Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance 0 ~ 1.42.1 -

II. Public POCs for CVE-2026-9199

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III. Intelligence Information for CVE-2026-9199

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Patches & Fixes for CVE-2026-9199 (1)

Vendor Advisories for CVE-2026-9199 (1)

IV. Related Vulnerabilities

Same product: Equalize Digital Accessibility Checker – WCAG, ADA, EAA and Section 508 compliance
Same vendor: equalizedigital
Same weakness: CWE-862

V. Comments for CVE-2026-9199

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