Low
WordPress Booking Calendar plugin <= 11.8.4 - Race Condition vulnerability
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in WPdevelop Booking Calendar booking allows Leveraging Race Conditions.This issue affects Booking Calendar: from n/a through 11.8.4.
Announced Group revision 1
Original source ↗CVE-2026-39601
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-39601
Booking Calendar
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "WPdevelop",
"product": "Booking Calendar",
"versions": [
{
"status": "affected",
"changes": [
{
"at": "11.9",
"status": "unaffected"
}
],
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "11.8.4"
}
],
"packageName": "booking",
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-39601
Source reference:
/cveMetadata/cveId
Publisher severity
low
Source reference: /containers/cna/metrics
- Event
- #8527 · Revision 1
- Added to Heist Feed
- Publisher date