🔐 CVE Alert

CVE-2023-5745

MEDIUM 5.5

Reusable Text Blocks <= 1.5.3 - Authenticated (Author+) Stored Cross-Site Scripting via Shortcode

CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th

The Reusable Text Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'text-blocks' shortcode in versions up to, and including, 1.5.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with author-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE CWE-79
Vendor richardgabriel
Product reusable text blocks
Published Oct 24, 2023
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

richardgabriel / Reusable Text Blocks
0 ≤ 1.5.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/0d627ee7-1175-4621-a477-1e9ec2d05eee?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/reusable-text-blocks/tags/1.5.3/text-blocks.php#L319

Credits

István Márton