Vulnerability · Published Nov 24, 2021 · Assigned by jpcert
CVE-2021-20840
Medium 6.1
In plain English
A medium-severity security flaw in Booking Package - Appointment Booking Calendar System from Saasproject. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities).
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.3%top 29.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Saasproject | Booking Package - Appointment Booking Calendar System | versions prior to 1.5.11 |
References
- https://wordpress.org/plugins/booking-package/ x_refsource_MISC
- https://saasproject.net/ja/fixed/20211019.php x_refsource_MISC
- https://jvn.jp/en/jp/JVN68066589/index.html x_refsource_MISC