CVE-2021-42663 is an HTML injection vulnerability affecting Sourcecodester Online Event Booking and Reservation System in PHP/MySQL. Specifically, it allows an attacker to inject arbitrary HTML via the 'msg' parameter in 'index.php', altering website visibility for a targeted user who clicks a malicious link. This vulnerability has a CVSS score of 4.3 (Medium) due to its network-based attack vector and reliance on user interaction, potentially leading to information disclosure. While there is no evidence of active exploitation or Metasploit modules, a Nuclei template exists, and community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.3.0CPE matchmatch criteria | cpe:2.3:a:online_event_booking_and_reservation_system_project:online_event_booking_and_reservation_system:2.3.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/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.
Remediation records are not available for this CVE.