CVE-2021-34626 - CVE House
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Status published Medium CVE-2021-34626

WP Upload Restriction <= 2.2.3 - Missing Access Control in deleteCustomType function

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from WP Upload Restriction

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CVE-2021-34627
WP Upload Restriction <= 2.2.3 - Missing Access Control in getSelectedMimeTypesByRole function
Medium 4.3
CVE-2021-34625
WP Upload Restriction <= 2.2.3 - Authenticated Stored Cross-Site Scripting
Medium 6.4

Affected Vendor

WP Upload Restriction

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Affected Software

WP Upload Restriction
Vulnerable Versions:
2.2.3

Timeline

Official Publish: July 7th, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

CWE-284

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1078 Valid Accounts
Persistence
T1213 Data from Information Repositories
Collection
T1565.002 Stored Data Manipulation
Impact