What’s Vulnerable › Vulnerabilities

CVE-2023-25459: WordPress Post Snippets Plugin <= 4.0.2 is vulnerable to Cross Site Scripting (XSS)

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-08 · updated 2026-06-17
• Weakness: CWE-79

Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Postsnippets Post Snippets plugin <= 4.0.2 versions.

Affected products

• Post Snippets: before 4.0.3 — fixed in 4.0.3

How to fix

Upgrade to a fixed version: Post Snippets 4.0.3. Check the vendor advisory for mitigations.

References

• https://patchstack.com/database/vulnerability/post-snippets/wordpress-post-snippets-custom-wordpress-code-snippets-customizer-plugin-4-0-2-cross-site-scripting-xss-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/post-snippets/wordpress-post-snippets-custom-wordpress-code-snippets-customizer-plugin-4-0-2-cross-site-scripting-xss-vulnerability?_s_id=cve

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