CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. The secretKey value is an important key for HMAC SHA256 authentication and in affected versions was stored in the database in cleartext form. If a malicious person somehow had access to the data in the database, they could use the key and secretKey for HMAC SHA256 authentication to send requests impersonating that corresponding user. This issue has been addressed in version 1.0.0-beta.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVE-2023-48707
MEDIUMNVD 6.55.0▼
EchelonGraph scoreMEDIUM confidence
This medium-severity CVE scores 5.0 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 81% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 5.0(medium)
- EPSS
- 20.2%
- KEV
- Not listed
Published
November 24, 2023
Last Modified
June 17, 2026
References (4)
- security-advisories@githubhttps://github.com/codeigniter4/shield/commit/f77c6ae20275ac1245330a2b9a523bf7e6f6202f
- security-advisories@githubhttps://github.com/codeigniter4/shield/security/advisories/GHSA-v427-c49j-8w6x
- af854a3a-2127-422b-91ae-364da2661108https://github.com/codeigniter4/shield/commit/f77c6ae20275ac1245330a2b9a523bf7e6f6202f
- af854a3a-2127-422b-91ae-364da2661108https://github.com/codeigniter4/shield/security/advisories/GHSA-v427-c49j-8w6x
Frequently asked(5)
What is CVE-2023-48707?
CVE-2023-48707 is a medium vulnerability published on November 24, 2023. CodeIgniter Shield is an authentication and authorization provider for CodeIgniter 4. The secretKey value is an important key for HMAC SHA256 authentication and in affected versions was stored in the database in cleartext form. If a malicious person somehow had access to the data in the database,…
When was CVE-2023-48707 disclosed?
CVE-2023-48707 was first published in the National Vulnerability Database on November 24, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-48707 actively exploited?
CVE-2023-48707 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-48707?
CVE-2023-48707 has a CVSS v3 base score of 6.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.0.
How do I remediate CVE-2023-48707?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-48707, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2023-48707
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