TI-2023-05284 Aliases CVE-2023-5745 GHSA-3636-v8hq-c8g3

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

LOW 25CWE-79Published 2023-10-24 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00512 43rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
richardgabriel	Reusable Text Blocks	up to 1.5.3	—	No fix listed	CNA

Reusable Text Blocks Vendorrichardgabriel Affected up to 1.5.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:halgatewood:reusable_text_blocks::::::wordpress::*	up to 1.5.3	Vulnerable	Hal Gatewood

cpe:2.3:a:halgatewood:reusable_text_blocks:*:*:*:*:*:wordpress:*:* Versions up to 1.5.3 Vulnerable ·Hal Gatewood

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-5745
2026-10-03 Alias added: GHSA-3636-v8hq-c8g3

References

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/0d627ee7-1175-4621-a477-1e9ec2d05eee?source=cve

Other 1

https://plugins.trac.wordpress.org/browser/reusable-text-blocks/tags/1.5.3/text-blocks.php#L319

TI-2025-18834 WordPress Staff Directory Plugin: Company Directory Plugin <= 4.3 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
TI-2024-12862 Company Directory <= 4.3 - Reflected Cross-Site Scripting via add_query_arg Function CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences