CVE-2021-23824 describes a Cross-site Scripting (XSS) vulnerability in the Crow C++ web framework, specifically affecting versions prior to 0.3+4. This flaw arises when templates use unquoted attributes, allowing an attacker to inject additional attributes and potentially execute arbitrary code if they can control template input. The vulnerability carries a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low complexity, requiring user interaction, and potentially leading to low confidentiality and integrity impacts. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.3\+4CPE matchmatch criteria | cpe:2.3:a:crowcpp:crow:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.