WordPress Plugin Vulnerabilities

Blacklist Manager for WooCommerce 1.3.0 - 2.3.1 - Blocked User Restriction Bypass via XML-RPC and Application Passwords

Description

The plugin does not enforce its user blocking on every authentication path, allowing the holder of an account the site owner has blocked to keep authenticating with that account's privileges, without the block being enforced or recorded.

Proof of Concept

Affects Plugins

Fixed in 2.3.2

References

Miscellaneous

Original Researcher
Naoki Kawahigashi
Submitter
Naoki Kawahigashi
Verified
Yes

Timeline

Publicly Published
2026-09-25 (about 3 days ago)
Added
2026-09-25 (about 2 days ago)
Last Updated
2026-09-25 (about 2 days ago)

Other