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bBlocks vulnerabilities
bBlocks has 2 known vulnerabilities in this database. The most recent published record is dated 5 Oct 2026.
- Known vulnerabilities
- 2
- Active installs
- 700+
- Latest version
- 2.1.9
- Last updated
- 1 Oct 2026
- Most recent
- 5 Oct 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2026-104400 | Medium 6.5 | Up to 2.1.8 | Fixed in a later version (latest 2.1.9) | 2 d ago |
| Privilege escalation CVE-2025-8059 | Critical 9.8 | Up to 2.0.6 | Fixed in a later version (latest 2.1.9) | 12 Aug 2025 |
Read the published descriptions
- CVE-2026-104400, 5 Oct 2026
- Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bPlugins B Blocks b-blocks allows Stored XSS.This issue affects B Blocks: from n/a through 2.1.8. CVE record
- CVE-2025-8059, 12 Aug 2025
- The B Blocks plugin for WordPress is vulnerable to Privilege Escalation due to missing authorization and improper input validation within the rgfr_registration() function in all versions up to, and including, 2.0.6. This makes it possible for unauthenticated attackers to create a new account and assign it the administrator role. CVE record
What to do if you run bBlocks
If you run bBlocks, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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