WordPress WP BASE Booking plugin <= 5.9.0 - Privilege Escalation vulnerability
Priority LOW 37CWE-266Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-266.
Summary
Unauthenticated Privilege Escalation in WP BASE Booking <= 5.9.0 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Hakan Ozevin | WP BASE Booking | up to 5.9.0 | — | No fix listed | CNA |
- WP BASE Booking VendorHakan Ozevin Affected up to 5.9.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-39587
- 2026-10-03 Alias added: GHSA-23mx-4w8p-jgwp
More Hakan Ozevin vulnerabilities
- TI-2026-44334 WordPress WP BASE Booking plugin <= 6.3.0 - Arbitrary Code Execution vulnerability CVSS 3.1CRITICAL 10.0
- TI-2026-83316 Privilege escalation in WP BASE Booking WordPress plugin CVSS 3.1HIGH 8.8
- TI-2026-42504 WordPress WP BASE Booking plugin <= 6.3.1 - Privilege Escalation vulnerability CVSS 3.1HIGH 8.8
- TI-2025-16566 WordPress WP BASE Booking plugin <= 5.0.0 - Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
- TI-2026-51520 WordPress WP BASE Booking plugin <= 6.3.2 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-39587 · CVE Program
- CVE-2026-39587 · NVD
- FIRST EPSS
- GHSA-23mx-4w8p-jgwp · GitHub Advisory Database · CC BY 4.0
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