CVE-2026-6252
Meta Field Block <= 1.5.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'tagName' Block Attribute
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The Meta Field Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tagName' block attribute in all versions up to, and including, 1.5.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | mr2p |
| Product | meta field block – display custom fields in the block editor without coding |
| Published | May 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
mr2p / Meta Field Block – Display custom fields in the Block Editor without coding
0 ≤ 1.5.2
References
Credits
Muhammad Yudha - DJ