CVE-2022-23807 is a medium-severity (CVSS 4.3) Improper Authentication vulnerability in phpmyadmin/phpmyadmin. A fix is available for phpmyadmin/phpmyadmin — see the affected versions and patch details below.
Improper Authentication in phpmyadmin
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
CVE-2022-23807 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.
Where this sits among everything scored
Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.
Real-World Exposure
phpmyadmin/phpmyadmin🐘phpmyadmin/phpmyadminReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
An issue was discovered in phpMyAdmin 4.9 before 4.9.8 and 5.1 before 5.1.2. A valid user who is already authenticated to phpMyAdmin can manipulate their account to bypass two-factor authentication for future login instances.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | phpmyadmin/phpmyadmin | ≥ 4.9.0&&< 4.9.8 | 4.9.8composer require phpmyadmin/phpmyadmin:^4.9.8 |
| 🐘Packagist | phpmyadmin/phpmyadmin | ≥ 5.1.0&&< 5.1.2 | 5.1.2composer require phpmyadmin/phpmyadmin:^5.1.2 |
Affected Products
phpmyadminphpmyadminDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for phpmyadmin/phpmyadmin, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update phpmyadmin/phpmyadmin to 4.9.8 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-23807 is resolved across your whole dependency graph.
Workarounds
Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.
Frequently Asked Questions
Is CVE-2022-23807 in your dependencies?
Find it across Packagist, including transitive dependencies.