CVE-2021-20840 describes a cross-site scripting (XSS) vulnerability in the Booking Package - Appointment Booking Calendar System, affecting versions prior to 1.5.11. This flaw allows a remote attacker to inject arbitrary scripts through unspecified vectors. With a CVSS score of 6.1 (Medium), exploitation requires user interaction and could lead to information disclosure and data manipulation. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.5.11CPE matchmatch criteria | cpe:2.3:a:saasproject:booking_package:*:*:*:*:*:wordpress:*:* |
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.