Is Blacklist Manager safe to use?

Laskyr does not give safety verdicts. No known unpatched vulnerabilities in the latest version (2.4.1). As of 2026-11-04. 2 issues are on record for older versions; version 2.3.2 or newer fixes all of them that state a fix. Keep Blacklist Manager on the latest version (2.4.1) and remove it if you do not use it.

Which versions of Blacklist Manager are vulnerable?

Known issues on record (newest first): Cross-site request forgery (CSRF) (2.3.1 and older, fixed in 2.3.2); Authentication bypass (1.3.0 up to (not including) 2.3.2, fixed in 2.3.2). The full list with sources is on this page.

What is the latest version of Blacklist Manager?

2.4.1, according to wordpress.org (last updated 2026-11-03). It has 2,000+ active installs.

What should I do if my Blacklist Manager is out of date?

Take a backup, then update it from Dashboard > Updates (or run wp plugin update wc-blacklist-manager). If you cannot update right away, deactivate it until you can. If you think the site was already attacked, run a free scan at https://laskyr.com/scan.

Plugins · wc-blacklist-manager · data as of 2026-11-04

Is Blacklist Manager safe? Known vulnerabilities and latest version

Latest version: 2.4.1
Last updated: 2026-11-03
Active installs: 2,000+
Known issues on record: 2
Unpatched in latest: 0
Tested up to WP: 7.1.4 · PHP 7.4+

Block risky WooCommerce orders, spam signups, and form submissions with blacklist rules plus built-in checkout email verification. — by YoOhw Studio

What to do

Update to the latest version (2.4.1). Anything older than 2.3.2 has at least one known issue listed below. Dashboard → Updates, or Plugins → “update now”.
If you cannot update right away, deactivate it until you can.
Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
If you ran a vulnerable version and something looks off (spam pages, strange admins, redirects), run the free scan.

With WP-CLI: wp plugin get wc-blacklist-manager --field=version shows what you run; wp plugin update wc-blacklist-manager updates it.

Check your version

Known vulnerabilities

2 on record, newest first. “Affected” is the version range the source gives; “fixed in” is the version the source names, or (marked *) the first wordpress.org release after the last affected version.

high 8.8 CVE-2026-96838 · published 2026-09-30

Cross-site request forgery (CSRF) in Blacklist Manager (2.3.1 and older)

Affected: 2.3.1 and older
Fixed in: 2.3.2
Access needed (per CVSS): No login needed; someone on the site has to click a link or open a page
Range from: CVE record (the advisory publisher) · score by Patchstack

Details from the advisory

Unauthenticated Cross Site Request Forgery (CSRF) in Blacklist Manager – WooCommerce Anti-Fraud, Blacklist & Checkout Verification <= 2.3.1 versions.

NVD CVE-2026-96838 Patchstack advisory

medium 5.4 CVE-2026-88828 · published 2026-09-28

Authentication bypass in Blacklist Manager (1.3.0 up to (not including) 2.3.2)

Affected: 1.3.0 up to (not including) 2.3.2
Fixed in: 2.3.2
Access needed (per CVSS): Needs a low-level account (e.g. subscriber)
Range from: CVE record (the advisory publisher) · score by WPScan

Details from the advisory

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.

NVD CVE-2026-88828 WPScan advisory

Recent activity

2026-11-03 — latest release on wordpress.org (2.4.1).
2026-09-30 — Cross-site request forgery (CSRF) disclosed (CVE-2026-96838), fixed in 2.3.2.
2026-09-28 — Authentication bypass disclosed (CVE-2026-88828), fixed in 2.3.2.

Free. We check the CVE feeds every day and email you only when a new issue for Blacklist Manager (wc-blacklist-manager) is published or a fix ships. Unsubscribe in one click.

Browse vulnerabilities

Types found in this plugin: Cross-site request forgery (CSRF) (1) · Authentication bypass (1)

Where this data comes from

Version, last update, installs: wordpress.org/plugins/wc-blacklist-manager (Plugins API), fetched 2026-11-04.
Vulnerabilities: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
Each record links to its CVE page and to the original advisory (Wordfence, Patchstack or WPScan) where there is one. We only list a CVE here when its references or its advisory name this exact plugin, so a few real issues may be missing; none should be about a different plugin. Spot an error? Email Daniel.

Badge for your site or docs (states facts with a date, not a verdict):

<a href="https://laskyr.com/plugins/wc-blacklist-manager"><img src="https://laskyr.com/plugins/wc-blacklist-manager/badge.svg" alt="Blacklist Manager vulnerability status"></a>

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