What’s Vulnerable › Vulnerabilities

CVE-2021-24645: Booking.com Product Helper < 1.0.2 - Admin+ Stored Cross-Site Scripting

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-08 · updated 2026-06-17
• Weakness: CWE-79

Description

The Booking.com Product Helper WordPress plugin before 1.0.2 does not sanitize and escape Product Code when creating Product Shortcode, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected products

• Booking.com Product Helper: before 1.0.2 — fixed in 1.0.2

How to fix

Upgrade to a fixed version: Booking.com Product Helper 1.0.2. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/b15744de-bf56-4e84-9427-b5652d123c15
• https://wpscan.com/vulnerability/b15744de-bf56-4e84-9427-b5652d123c15

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