CVE-2023-36134

9.8 criticalEPSS 0.6%

Critical (9.8) in phpjabbers class scheduling system. EPSS 0.6% chance of exploitation in the next 30 days.

In PHP Jabbers Class Scheduling System 1.0, lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-10-31)
CWE: CWE-345
Published: 2023-08-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

phpjabbers:class_scheduling_system

References

https://medium.com/%40bcksec/multiple-vulnerabilities-in-php-jabbers-scripts-25af4afcadd4
https://www.phpjabbers.com/class-scheduling-system
https://medium.com/%40bcksec/multiple-vulnerabilities-in-php-jabbers-scripts-25af4afcadd4
https://www.phpjabbers.com/class-scheduling-system

Check your stack JSON