XSS in Saasproject Booking Package
CVE-2021-20840
Cross-site scripting vulnerability in Booking Package - Appointment Booking Calendar System versions prior to 1.5.11 allows a remote attacker to inject an arbitrary script via unspecified vectors.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.012 (66.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Saasproject Booking_package
- Saasproject Booking Package - Appointment Calendar System — versions versions prior to 1.5.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vultures@jpcert.or.jp (Product, x_refsource_MISC)
- vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-20840?
- CVE-2021-20840 is a medium-severity vulnerability in Saasproject Booking Package, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-24.
- How severe is CVE-2021-20840?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-20840 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.