PHPEMS Session Data session.cls.php deserialization
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
A vulnerability classified as critical was found in PHPEMS 6.x/7.x/8.x/9.0. Affected by this vulnerability is an unknown functionality in the library lib/session.cls.php of the component Session Data Handler. The manipulation leads to deserialization. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-247357 was assigned to this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | PHPEMS | 6.x; 7.x; 8.x; 9.0 | — | No fix listed | CNA |
| — | phpems/phpems (Packagist) | 6.0.0 – 6.1.3 | — | No fix listed | GHSA-5rv2-vvmf-f7w8 |
- PHPEMS Vendor— Affected 6.x; 7.x; 8.x; 9.0 Fixed in — No fix listed CNA
- phpems/phpems (Packagist) Vendor— Affected 6.0.0 – 6.1.3 Fixed in — No fix listed GHSA-5rv2-vvmf-f7w8
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-6654
- 2026-10-03 Alias added: GHSA-5rv2-vvmf-f7w8
References
More Phpems vulnerabilities
- TI-2024-01261 PHPEMS index.api.php index deserialization CVSS 3.1CRITICAL 9.8
- TI-2025-13921 PHPEMS Purchase Request race condition CVSS 4.0MEDIUM 6.3
- TI-2025-14049 PHPEMS cross-site request forgery CVSS 4.0MEDIUM 5.3
- TI-2025-13919 PHPEMS Coupon race condition CVSS 4.0LOW 2.3
- TI-2023-05933 PHPEMS Content Section api.cls.php cross site scripting CVSS 3.1MEDIUM 4.8
Sources
- CVE-2023-6654 · CVE Program
- CVE-2023-6654 · NVD
- FIRST EPSS
- GHSA-5rv2-vvmf-f7w8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences