CVE-2026-88828

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

The Blacklist Manager for WooCommerce WordPress plugin from 1.3.0 to 2.3.1 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.

Affected

Blacklist Manager

CVSS v3.1 WPSCAN

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.17% chance of exploitation in the next 30 days, 6th percentile

Published

2026-09-28

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/52804421-8988-4d8a-9143-04683d05873d/

References

• CVE Record
• NVD entry