XSS in Frontend Uploader Project
CVE-2021-24563
The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.264 (97.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Frontend_uploader_project Frontend_uploader
- Unknown Frontend Uploader — versions 1.3.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
- contact@wpscan.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24563?
- CVE-2021-24563 is a medium-severity vulnerability in Frontend Uploader Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-10-11.
- How severe is CVE-2021-24563?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24563 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.