CVE-2021-24645 json
Booking.com Product Helper < 1.0.2 - Admin+ Stored Cross-Site Scripting
published 2021-11-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11557
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- bookingholdings booking.com_product_helper 1.0.2
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/b15744de-bf56-4e84-9427-b5652d123c15 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Unknown Booking.com Product Helper
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/b15744de-bf56-4e84-9427-b5652d123c15
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24645
- NVD CVE-2021-24645
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.