PHPJabbers Availability Booking Calendar 5.0 is vulnerable to User Account Takeover through username/password change.
Priority MEDIUM 51Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
PHPJabbers Availability Booking Calendar 5.0 is vulnerable to User Account Takeover through username/password change.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00891 59th 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
- Yes
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:phpjabbers:availability_booking_calendar:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | PHPJabbers |
- cpe:2.3:a:phpjabbers:availability_booking_calendar:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·PHPJabbers
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-36133
- 2026-10-03 Alias added: GHSA-24xj-hpq7-7f3v
References
More PHPJabbers Availability Booking Calendar vulnerabilities
- TI-2023-26647 A lack of rate limiting in pjActionAJaxSend in Availability Booking Calendar 5.0 allows… CVSS 3.1HIGH 7.5
- TI-2023-03806 PHP Jabbers Availability Booking Calendar index.php cross site scripting CVSS 3.1MEDIUM 6.1
- TI-2023-18127 PHP Jabbers Availability Booking Calendar 5.0 is vulnerable to Incorrect Access Control. CVSS 3.1CRITICAL 9.8
- TI-2023-18126 PHPJabbers Availability Booking Calendar 5.0 is vulnerable to Incorrect Access Control… CVSS 3.1CRITICAL 9.8
- TI-2023-26079 Availability Booking Calendar 5.0 allows CSV injection via the unique ID field in the Reservations list component. CVSS 3.1HIGH 8.8
- TI-2023-26080 A Cross Site Scripting vulnerability in Availability Booking Calendar 5.0 allows an… CVSS 3.1MEDIUM 6.1
Sources
- CVE-2023-36133 · CVE Program
- CVE-2023-36133 · NVD
- FIRST EPSS
- GHSA-24xj-hpq7-7f3v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences