What’s Vulnerable › Vulnerabilities

CVE-2024-13399: Gosign – Posts Slider Block <= 1.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-31 · updated 2026-06-17
• Weakness: CWE-79

Description

The Gosign – Posts Slider Block plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'posts-slider-block' block in all versions up to, and including, 1.1.0 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.

Affected products

• Gosign – Posts Slider Block: through 1.1.0

References

• https://wordpress.org/plugins/gosign-posts-slider-block/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/0778c676-92e6-4813-a564-06463fc84eec?source=cve

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