VulnerabilityModified

CVE-2020-24313

This results in a reflected XSS vulnerability that attackers can exploit with a specially crafted URL.

MEDIUM 6.1EPSS 1.15%

Does this matter?

Lower severity and a low EPSS score (1.15%). Track it; it rarely justifies an emergency change on its own.

Description

Etoile Web Design Ultimate Appointment Booking & Scheduling WordPress Plugin v1.1.9 and lower does not sanitize the value of the "Appointment_ID" GET parameter before echoing it back out inside an input tag. This results in a reflected XSS vulnerability that attackers can exploit with a specially crafted URL.

CVSS 3.1: 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 1.15% probability · 65th percentile
CISA KEV: Not listed
Weakness: CWE-79
Affected: etoilewebdesign/ultimate appointment booking \& scheduling
Source: cve@mitre.org

References

https://wordpress.org/plugins/ultimate-appointment-scheduling/Product, Third Party Advisory
https://zeroaptitude.com/zerodetail/wordpress-plugin-bug-hunting-part-1/Exploit, Third Party Advisory, URL Repurposed
https://wordpress.org/plugins/ultimate-appointment-scheduling/Product, Third Party Advisory
https://zeroaptitude.com/zerodetail/wordpress-plugin-bug-hunting-part-1/Exploit, Third Party Advisory, URL Repurposed

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.