CVE-2026-12426Members <= 3.2.22 - Unauthenticated Sensitive Information Disclosure via REST API Pagination Side Channel
- 5.3MediumCVSS base score
- 0.47%Exploitation in 30 daysEPSS · top 58% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The Members – Membership & User Role Editor Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.2.22 via the members_filter_protected_posts_for_rest. This makes it possible for unauthenticated attackers to extract determine the existence and exact count of access-restricted posts, and use per-page pagination as a boolean oracle to infer keywords and content contained within those hidden restricted posts.
Timeline
ID reserved
By Wordfence
- 25 days later
· 25 days later
Published
- 3 days later
· 3 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| WordfenceCNA (assigner) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Deferred | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.47% · top 58% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
supercleanse · Members – Membership & User Role Editor Plugin
- affected ≤ 3.2.22
References
References6
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9c3557a6-aa72-496c-8515-2f6055de6b22?source=cve (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/members/tags/3.2.22/inc/functions-content-permissions.php#L337 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/members/tags/3.2.22/inc/functions-private-site.php#L42 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/members/tags/3.2.19/inc/functions-content-permissions.php#L337 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/members/tags/3.2.19/inc/functions-private-site.php#L42 (opens in a new tab)
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3594293%40members%2Ftrunk&old=3552545%40members%2Ftrunk&sfp_email=&sfph_mail= (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-43125 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-12426)Record last updated .