What’s Vulnerable › Vulnerabilities

CVE-2021-24962: WordPress File Upload < 4.16.3 - Contributor+ Path Traversal to RCE

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-28 · updated 2026-06-17
• Weakness: CWE-22

Description

The WordPress File Upload Free and Pro WordPress plugins before 4.16.3 allow users with a role as low as Contributor to perform path traversal via a shortcode argument, which can then be used to upload a PHP code disguised as an image inside the auto-loaded directory of the plugin, resulting in arbitrary code execution.

Affected products

• nickboss Iptanus File Upload: before 4.16.3 — fixed in 4.16.3
• Iptanus Wordpress File Upload Pro: before 4.16.3 — fixed in 4.16.3

How to fix

Upgrade to a fixed version: nickboss Iptanus File Upload 4.16.3; Iptanus Wordpress File Upload Pro 4.16.3. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/changeset/2677722
• https://wpscan.com/vulnerability/7a95b3f2-285e-40e3-aead-41932c207623
• https://plugins.trac.wordpress.org/changeset/2677722
• https://wpscan.com/vulnerability/7a95b3f2-285e-40e3-aead-41932c207623

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