What’s Vulnerable › Vulnerabilities

CVE-2021-34626: WP Upload Restriction <= 2.2.3 - Missing Access Control in deleteCustomType function

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-07 · updated 2026-06-17
• Weakness: CWE-284

Description

A vulnerability in the deleteCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to delete custom extensions added by administrators. This issue affects versions 2.2.3 and prior.

Affected products

• WP Upload Restriction: through 2.2.3

References

• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34626
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34626

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