CVE-2021-24960 json
WordPress File Upload < 4.16.3 - Contributor+ Stored Cross-Site Scripting via Malicious SVG
published 2022-03-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11872
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
The WordPress File Upload WordPress plugin before 4.16.3, wordpress-file-upload-pro WordPress plugin before 4.16.3 allows users with a role as low as Contributor to configure the upload form in a way that allows uploading of SVG files, which could be then be used for Cross-Site Scripting attacks
Patch / fix
- iptanus wordpress_file_upload 4.16.3
- iptanus wordpress_file_upload_pro 4.16.3
Exploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/18902832-2973-498d-808e-c75d1aedc11e referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Unknown WordPress File Upload
- Unknown wordpress-file-upload-pro
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/2677722
patch, third-party-advisory
-
wpscan.com
/vulnerability/18902832-2973-498d-808e-c75d1aedc11e
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24960
- NVD CVE-2021-24960
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