WP Upload Restriction <= 2.2.3 - Authenticated Stored Cross-Site Scripting
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
A vulnerability in the saveCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to inject arbitrary web scripts. This issue affects versions 2.2.3 and prior.
Why it matters now
EPSS 0.00634 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WP Upload Restriction | WP Upload Restriction | 2.2.3 – 2.2.3 | — | No fix listed | CNA |
- WP Upload Restriction VendorWP Upload Restriction Affected 2.2.3 – 2.2.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wp-upload-restriction_project:wp-upload-restriction:*:*:*:*:*:wordpress:*:* | up to 2.2.3 | Vulnerable | WP Upload Restriction |
- cpe:2.3:a:wp-upload-restriction_project:wp-upload-restriction:*:*:*:*:*:wordpress:*:* Versions up to 2.2.3 Vulnerable ·WP Upload Restriction
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34625
- 2026-10-03 Alias added: GHSA-2r5h-m86c-qqjm
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More WP Upload Restriction Wp-upload-restriction vulnerabilities
- TI-2021-13641 WP Upload Restriction <= 2.2.3 - Missing Access Control in getSelectedMimeTypesByRole function CVSS 3.1MEDIUM 4.3
- TI-2021-13640 WP Upload Restriction <= 2.2.3 - Missing Access Control in deleteCustomType function CVSS 3.1MEDIUM 4.3
Sources
- CVE-2021-34625 · CVE Program
- CVE-2021-34625 · NVD
- FIRST EPSS
- GHSA-2r5h-m86c-qqjm · GitHub Advisory Database · CC BY 4.0
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