CVE-2021-42078 describes a persistent cross-site scripting (XSS) vulnerability in PHP Event Calendar versions through 2021-11-04, specifically exploitable via the 'title' parameter in /server/ajax/events_manager.php. This medium-severity flaw (CVSS 6.1) has a low attack complexity and requires user interaction, potentially leading to information disclosure or site defacement. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2021-11-04CPE matchmatch criteria | cpe:2.3:a:php_event_calendar_project:php_event_calendar:2021-11-04:*:*:*:lite:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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.
Remediation records are not available for this CVE.