What’s Vulnerable › Vulnerabilities

CVE-2020-13644

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-28 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in the Accordion plugin before 2.2.9 for WordPress. The unprotected AJAX wp_ajax_accordions_ajax_import_json action allowed any authenticated user with Subscriber or higher permissions the ability to import a new accordion and inject malicious JavaScript as part of the accordion.

Affected products

• PickPlugins Accordion: before 2.2.9 — fixed in 2.2.9

How to fix

Upgrade to a fixed version: PickPlugins Accordion 2.2.9. Check the vendor advisory for mitigations.

References

• https://wordpress.org/plugins/accordions/#developers
• https://www.wordfence.com/blog/2020/04/vulnerability-patched-in-accordion-plugin/
• https://wordpress.org/plugins/accordions/#developers
• https://www.wordfence.com/blog/2020/04/vulnerability-patched-in-accordion-plugin/

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