CVE-2021-24429: salon booking system Cross-site Scripting
Vulnerability summary
CVE-2021-24429 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in salon booking system. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.9% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 6.3.1.
Timeline
- 12-07-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
1.24%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.24% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Salon booking system1 product
- salon booking system≥ 6.3.1, < 6.3.1
Salonbookingsystem1 product
- salon_booking_system< 6.3.1
Wordpress1 product
- salon-booking-system< 6.3.1
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/e922b788-7da5-43b4-9b05-839c8610252aX Refsource CONFIRMExploitThird Party Advisory