CVE-2023-48708
Insertion of Sensitive Information into Log in codeigniter4/shield
CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. In affected versions successful login attempts are recorded with the raw tokens stored in the log table. If a malicious person somehow views the data in the log table they can obtain a raw token which can then be used to send a request with that user's authority. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. Users unable to upgrade should disable logging for successful login attempts by the configuration files.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Insertion of Sensitive Information into Log in codeigniter4/shield
CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. In affected versions successful login attempts are recorded with the raw tokens stored in the log table. If a malicious person somehow views the data in the log table they can obtain a raw token which can then be used to send a request with that user's authority. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. Users unable to upgrade should disable logging for successful login attempts by the configuration files.
- Record
CVE-2023-48708- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
EUVDEUVD-2023-2984
CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. In affected versions successful login attempts are recorded with the raw tokens stored in the log table. If a malicious person somehow views the data in the log table they can obtain a raw token which can then be used to send a request with that user's authority. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. Users unable to upgrade should disable logging for successful login attempts by the configuration files.
- Record
EUVD-2023-2984- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j72f-h752-mx4w
Insertion of Sensitive Information into Log
Impact
If successful login attempts are recorded, the raw tokens are stored in the log table. If a malicious person somehow views the data in the log table, he or she can obtain a raw token, which can then be used to send a request with that user's authority.
When you (1) use the following authentiactors,
- AccessTokens (
tokens) - JWT (
jwt) - HmacSha256 (
hmac)
and you (2) log successful login attempts, the raw tokens are stored.
Patches
Upgrade to Shield v1.0.0-beta.8 or later.
Workarounds
Disable logging for successful login attempts by the configuration files.
- AccessTokens or HmacSha256
- Set
Config\AuthToken::$recordLoginAttempttoAuth::RECORD_LOGIN_ATTEMPT_FAILUREorAuth::RECORD_LOGIN_ATTEMPT_NONE
- Set
- JWT
- Set
Config\AuthJWT::$recordLoginAttempttoAuth::RECORD_LOGIN_ATTEMPT_FAILUREorAuth::RECORD_LOGIN_ATTEMPT_NONE
- Set
References
For more information
If you have any questions or comments about this advisory:
- Open an issue or discussion in codeigniter4/shield
- Email us at [email protected]
- Record
GHSA-j72f-h752-mx4w- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
NVD
CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. In affected versions successful login attempts are recorded with the raw tokens stored in the log table. If a malicious person somehow views the data in the log table they can obtain a raw token which can then be used to send a request with that user's authority. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. Users unable to upgrade should disable logging for successful login attempts by the configuration files.
- Record
CVE-2023-48708- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
OSV
Insertion of Sensitive Information into Log in codeigniter4/shield
CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. In affected versions successful login attempts are recorded with the raw tokens stored in the log table. If a malicious person somehow views the data in the log table they can obtain a raw token which can then be used to send a request with that user's authority. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. Users unable to upgrade should disable logging for successful login attempts by the configuration files.
- Record
CVE-2023-48708- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
OSVGHSA-j72f-h752-mx4w
Insertion of Sensitive Information into Log
Impact
If successful login attempts are recorded, the raw tokens are stored in the log table. If a malicious person somehow views the data in the log table, he or she can obtain a raw token, which can then be used to send a request with that user's authority.
When you (1) use the following authentiactors,
- AccessTokens (
tokens) - JWT (
jwt) - HmacSha256 (
hmac)
and you (2) log successful login attempts, the raw tokens are stored.
Patches
Upgrade to Shield v1.0.0-beta.8 or later.
Workarounds
Disable logging for successful login attempts by the configuration files.
- AccessTokens or HmacSha256
- Set
Config\AuthToken::$recordLoginAttempttoAuth::RECORD_LOGIN_ATTEMPT_FAILUREorAuth::RECORD_LOGIN_ATTEMPT_NONE
- Set
- JWT
- Set
Config\AuthJWT::$recordLoginAttempttoAuth::RECORD_LOGIN_ATTEMPT_FAILUREorAuth::RECORD_LOGIN_ATTEMPT_NONE
- Set
References
For more information
If you have any questions or comments about this advisory:
- Open an issue or discussion in codeigniter4/shield
- Email us at [email protected]
- Record
GHSA-j72f-h752-mx4w- CVSS 3.1
- 5.0 Medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
codeigniter4/shieldPackagist |
before 1.0.0-beta.8 | 1.0.0-beta.8 |
codeigniter4/shieldPackagist |
before 1.0.0-beta.8, plus listed versions v1.0.0-betav1.0.0-beta.2v1.0.0-beta.3v1.0.0-beta.4v1.0.0-beta.5v1.0.0-beta.6v1.0.0-beta.7 |
1.0.0-beta.8 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-48708 is a medium vulnerability (CVSS 5.0) in Codeigniter Shield, published November 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. Fixed in codeigniter4/shield 1.0.0-beta.8.
References
github.com/codeigniter4/shield/security/advisories/GHSA-j72f-h752-mx4w
codeigniter4.github.io/shield/getting_started/authenticators
nvd.nist.gov/vuln/detail/CVE-2023-48708