PatchTheCVECVE-2024-4891: The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable
CVE-2024-4891 is a medium-severity flaw (CVSS 6.4) affecting essential blocks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 4.5.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesse
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 60%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2024-05-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-4891?
essential blocks: upgrade to 4.5.13. Exact commands for each OS are on this page.
Is CVE-2024-4891 being exploited?
CVE-2024-4891 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-4891 affect?
CVE-2024-4891 affects essential blocks. Severity is medium (CVSS 6.4). The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘tagName’ parameter in versions up to, and including, 4.5.12 due to insufficient input sani
How urgent is CVE-2024-4891?
Priority 33/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2023-2085 MEDIUM 4.3 UPGRADE The Essential Blocks plugin for WordPress is vulnerable to unauthorized use of functionality due to a missing
- CVE-2025-26871 MEDIUM 4.3 UPGRADE Missing Authorization vulnerability in WPDeveloper Essential Blocks for Gutenberg essential-blocks allows Expl
- CVE-2025-1664 MEDIUM 6.4 UPGRADE The Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates plugin for WordPress is vulnerable
- CVE-2024-5595 MEDIUM 5.4 UPGRADE The Essential Blocks WordPress plugin before 4.7.0 does not validate and escape some of its block options bef
- CVE-2024-47385 MEDIUM 6.5 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPDevelo