CVE-2023-21974
Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application...
Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application Express (component: User Account). Supported versions that are affected are Application Express Team Calendar Plugin: 18.2-22.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Application Express Team Calendar Plugin. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Application Express Team Calendar Plugin, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Application Express Team Calendar Plugin. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application Express (component: User Account). Supported versions that are affected are Application Express Team Calendar Plugin: 18.2-22.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Application Express Team Calendar Plugin. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Application Express Team Calendar Plugin, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Application Express Team Calendar Plugin. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H).
- Record
CVE-2023-21974- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2023-26139
Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application Express (component: User Account). Supported versions that are affected are Application Express Team Calendar Plugin: 18.2-22.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Application Express Team Calendar Plugin. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Application Express Team Calendar Plugin, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Application Express Team Calendar Plugin. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H).
- Record
EUVD-2023-26139- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xw76-3w59-j73x
Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application...
Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application Express (component: User Account). Supported versions that are affected are Application Express Team Calendar Plugin: 18.2-22.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Application Express Team Calendar Plugin. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Application Express Team Calendar Plugin, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Application Express Team Calendar Plugin. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H).
- Record
GHSA-xw76-3w59-j73x- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
NVD
Vulnerability in the Application Express Team Calendar Plugin product of Oracle Application Express (component: User Account). Supported versions that are affected are Application Express Team Calendar Plugin: 18.2-22.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Application Express Team Calendar Plugin. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Application Express Team Calendar Plugin, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Application Express Team Calendar Plugin. CVSS 3.1 Base Score 9.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H).
- Record
CVE-2023-21974- CVSS 3.1
- 9.0 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21974 is a critical vulnerability (CVSS 9.0) in Oracle Application Express, published July 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.