CVE-2021-41749 is a critical Server-Side Template Injection vulnerability affecting the SEOmatic plugin up to version 3.4.11 for Craft CMS 3. This flaw allows unauthenticated attackers to achieve remote code execution. With a CVSS score of 9.8 (Critical), it presents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or KEV listing, a Nuclei template exists for detection, and the vulnerability has a high EPSS score, indicating a significant probability of exploitation. Community discussion and media coverage are currently minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.4.11CPE matchmatch criteria | cpe:2.3:a:nystudio107:seomatic:*:*:*:*:*:craft_cms:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.