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CVE-2025-47621: WordPress Meks Flexible Shortcodes plugin <= 1.3.6 - Cross Site Scripting (XSS) Vulnerability

• Severity: medium (CVSS 6.5 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: 2025-05-07 · updated 2026-06-17
• Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Meks Meks Flexible Shortcodes meks-flexible-shortcodes allows Stored XSS.This issue affects Meks Flexible Shortcodes: from n/a through <= 1.3.6.

Affected products

• Meks Flexible Shortcodes: through 1.3.6

References

• https://patchstack.com/database/Wordpress/Plugin/meks-flexible-shortcodes/vulnerability/wordpress-meks-flexible-shortcodes-1-3-6-cross-site-scripting-xss-vulnerability?_s_id=cve

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