CVE-2021-42362 is an arbitrary file upload vulnerability in the WordPress Popular Posts plugin, affecting versions up to and including 5.3.2. This flaw, stemming from insufficient file type validation in Image.php, allows authenticated attackers with contributor-level access or higher to upload malicious files. Rated 8.8 HIGH (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), it presents a significant risk of remote code execution. While not listed in CISA's KEV catalog or showing active exploitation, public exploit code, including a Metasploit module and an ExploitDB entry, is available, yet community discussion and media coverage remain low.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.3.2CPE matchmatch criteria | cpe:2.3:a:wordpress_popular_posts_project:wordpress_popular_posts:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.