Auth bypass in 10up Distributor
CVE-2026-111625
10up Distributor before 2.3.2 contains a missing authorization vulnerability in ajax_push() that allows Contributor-level multisite users to publish posts on other network sites. Attackers can use the dt-push nonce with a chosen connection id and postStatus to create draft or published posts on sites they cannot access.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/10up/distributor/security/advisories/GHSA-26j8-r2m4-768c (vendor-advisory)
- github.com/10up/distributor/blob/2.3.1/includes/push-ui.php (technical-description)
- github.com/10up/distributor/commit/c80eaead0a686891045aed43e94fb38bdb9f218f (patch)
- github.com/10up/distributor/releases/tag/2.3.2 (release-notes)
- www.vulncheck.com/advisories/10up-distributor-before-2.3.2-missing-authorizatio… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111625?
- CVE-2026-111625 is a medium-severity vulnerability in 10up Distributor, classified under Missing Authorization. CVSS score: 5.0/10. Published 2026-10-16.
- How severe is CVE-2026-111625?
- Medium severity. CVSS v3 base score is 5.0 out of 10.