CVE-2026-9199
CVE-2026-9199 — Equalize Digital Accessibility Checker <= 1.42.1 - Missing Authorization to Authenticated (Author+) Arbitrary Accessibility Issue Modification via 'largeBatch'
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…
Published Updated Sources: cvelistV5, Wordfence
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Unreported
no source claims exploitation
EPSS
0%
chance of exploitation in 30 days
Affects
equalize_digital_accessibility_checker_wcag_ada_eaa_and_section_508_compliance
CVSS base
4.3
MEDIUM
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (1)
Products (1)
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 4.3 | CVSS 3.1 | MEDIUM | — | — | cvelistV5 |
Weakness & attack patterns
- CWE-862
Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.
- T1211Exploitation for Defensive Evasion
- T1542.002Pre-OS Boot: Component Firmware
- T1556Modify Authentication Process
References
8 on the record
- www.wordfence.com/threat-intel/vulnerabilities/id/0e5cc0ce-3785-4240-863e-d1396db6e8ef?source=cve
reference
- plugins.trac.wordpress.org/browser/accessibility-checker/tags/1.42.0/includes/classes/class-rest-api.php#L1247
reference
- plugins.trac.wordpress.org/browser/accessibility-checker/tags/1.42.0/includes/classes/class-rest-api.php#L1232
reference
- plugins.trac.wordpress.org/browser/accessibility-checker/tags/1.42.0/includes/classes/class-rest-api.php#L349
reference
- plugins.trac.wordpress.org/browser/accessibility-checker/tags/1.39.0/includes/classes/class-rest-api.php#L1247
reference
- plugins.trac.wordpress.org/browser/accessibility-checker/tags/1.39.0/includes/classes/class-rest-api.php#L1232
reference
- plugins.trac.wordpress.org/browser/accessibility-checker/tags/1.39.0/includes/classes/class-rest-api.php#L349
reference
- plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3553926%40accessibility-checker&new=3553926%40accessibility-checker&sfp_email=&sfph_mail=
reference
Elsewhere on this site
- equalizedigitalevery CVE for this vendor
- CWE-862other pages naming this weakness
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.