The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the `blocksy_meta` metadata fields in all versions up to, and including, 2.1.30 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.

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History

Mon, 02 Mar 2026 22:30:00 +0000

Type Values Removed Values Added
Description The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the `blocksy_meta` metadata fields in all versions up to, and including, 2.1.30 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.
Title Blocksy <= 2.1.30 - Authenticated (Contributor+) Stored Cross-Site Scripting via `blocksy_meta` Fields
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-03-02T22:23:39.951Z

Reserved: 2026-02-16T13:01:11.855Z

Link: CVE-2026-2583

cve-icon Vulnrichment

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cve-icon NVD

Status : Received

Published: 2026-03-02T23:16:31.160

Modified: 2026-03-02T23:16:31.160

Link: CVE-2026-2583

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses