CVE-2023-33563
In PHP Jabbers Time Slots Booking Calendar 3.3 , lack of verification when changing an email...
In PHP Jabbers Time Slots Booking Calendar 3.3 , lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
8.8
In PHP Jabbers Time Slots Booking Calendar 3.3 , lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.
- Record
CVE-2023-33563- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
In PHP Jabbers Time Slots Booking Calendar 3.3 , lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.
- Record
CVE-2023-33563- Updated
- 2026-11-02
EUVDEUVD-2023-37720 No score
In PHP Jabbers Time Slots Booking Calendar 3.3 , lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.
- Record
EUVD-2023-37720- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8h3v-w8vm-79rh
8.8
In PHP Jabbers Time Slots Booking Calendar 3.3 , lack of verification when changing an email...
In PHP Jabbers Time Slots Booking Calendar 3.3 , lack of verification when changing an email address and/or password (on the Profile Page) allows remote attackers to take over accounts.
- Record
GHSA-8h3v-w8vm-79rh- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-33563 is a high vulnerability (CVSS 8.8) in Phpjabbers Time Slots Booking Calendar, published August 1, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. No source names a fixed version.