CVE-2021-43991 is a persistent Cross-Site Scripting (XSS) vulnerability affecting Kentico Xperience CMS versions 13.0 through 13.0.43. This medium-severity vulnerability (CVSS 5.4) allows an attacker to inject malicious scripts that are stored and subsequently executed by other users, potentially leading to session hijacking or account takeover. While the attack complexity is low, user interaction is required for exploitation. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 13.0.0, <= 13.0.43CPE matchmatch criteria | cpe:2.3:a:kentico:xperience:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.