Vulnerability in 10up Distributor

[ Description ]Official description

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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/10up/distributor/blob/2.3.1/includes/push-ui.php
• github.com/10up/distributor/commit/c80eaead0a686891045aed43e94fb38bdb9f218f
• github.com/10up/distributor/releases/tag/2.3.2
• github.com/10up/distributor/security/advisories/GHSA-26j8-r2m4-768c
• www.vulncheck.com/advisories/10up-distributor-before-2.3.2-missing-authorization-via-dt…