Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a…
Priority MEDIUM 49CWE-94Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.
Summary
Discuz!ML 3.2 through 3.4 allows remote attackers to execute arbitrary PHP code via a modified language cookie, as demonstrated by changing 4gH4_0df5_language=en to 4gH4_0df5_language=en'.phpinfo().'; (if the random prefix 4gH4_0df5_ were used).
Why it matters now
EPSS 0.04572 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:codersclub:discuz\!ml:*:*:*:*:*:*:*:* | 3.2 – 3.4 | Vulnerable | Codersclub |
- cpe:2.3:a:codersclub:discuz\!ml:*:*:*:*:*:*:*:* Versions 3.2 – 3.4 Vulnerable ·Codersclub
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13956
- 2026-10-03 Alias added: GHSA-j4hg-2fjr-f8m9
References
Sources
- CVE-2019-13956 · CVE Program
- CVE-2019-13956 · NVD
- FIRST EPSS
- GHSA-j4hg-2fjr-f8m9 · 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