Arbitrary file upload in Magazine3 Pwa For Wp \& Amp
CVE-2021-4354
The PWA for WP & AMP for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the pwaforwp_splashscreen_uploader function in versions up to, and including, 1.7.32. This makes it possible for authenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.
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 (77.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.6% 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/6082791e-feac-41f7-b565-9d986… (Third Party Advisory)
- blog.nintechnet.com/wordpress-pwa-for-wp-and-amp-plugin-fixed-vulnerabilities/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-4354?
- CVE-2021-4354 is a high-severity vulnerability in Magazine3 Pwa For Wp \& Amp, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-06-07.
- How severe is CVE-2021-4354?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-4354 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.