XSS in Salon Booking System
CVE-2021-24429
The Salon booking system WordPress plugin before 6.3.1 does not properly sanitise and escape the First Name field when booking an appointment, allowing low privilege users such as subscriber to set JavaScript in them, leading to a Stored Cross-Site Scripting (XSS) vulnerability. The Payload will then be triggered when an admin visits the "Calendar" page and the malicious script is executed in the admin context.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.012 (68.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Salon Booking System — versions 6.3.1
- Salonbookingsystem Salon Booking System
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/e922b788-7da5-43b4-9b05-839c8610252a (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24429?
- CVE-2021-24429 is a medium-severity vulnerability in Salon Booking System, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-12.
- How severe is CVE-2021-24429?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24429 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.