What’s Vulnerable › Vulnerabilities

CVE-2023-36133

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-04 · updated 2026-06-17

Description

PHPJabbers Availability Booking Calendar 5.0 is vulnerable to User Account Takeover through username/password change.

Affected products

• PHP Jabbers Availability Booking Calendar: 5.0

References

• https://medium.com/%40bcksec/multiple-vulnerabilities-in-php-jabbers-scripts-25af4afcadd4
• https://www.phpjabbers.com/availability-booking-calendar/
• https://medium.com/%40bcksec/multiple-vulnerabilities-in-php-jabbers-scripts-25af4afcadd4
• https://www.phpjabbers.com/availability-booking-calendar/

Get alerted when CVE-2023-36133 or the next vulnerability affects your stack