Arbitrary file upload in External Media Project
CVE-2021-24311
The wp_ajax_upload-remote-file AJAX action of the External Media WordPress plugin before 1.0.34 was vulnerable to arbitrary file uploads via any authenticated users.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- External Media Project
- External Media — versions 1.0.34
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/4fb90999-6f91-4200-a0cc-bfe9b34a5de9 (Exploit, Third Party Advisory)
- www.wordfence.com/blog/2021/05/critical-vulnerability-patched-in-external-media… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24311?
- CVE-2021-24311 is a high-severity vulnerability in External Media Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-06-01.
- How severe is CVE-2021-24311?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-24311 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.