Exponent CMS 2.3.9 suffers from a remote code execution vulnerability in…
Priority MEDIUM 49CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Exponent CMS 2.3.9 suffers from a remote code execution vulnerability in /install/index.php. An attacker can upload 'php' file to the website through uploader_paste.php, then overwrite /framework/conf/config.php, which leads to arbitrary code execution.
Why it matters now
EPSS 0.03903 90th 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:exponentcms:exponent_cms:2.3.9:*:*:*:*:*:*:* | 2.3.9 | Vulnerable | Exponentcms |
- cpe:2.3:a:exponentcms:exponent_cms:2.3.9:*:*:*:*:*:*:* Versions 2.3.9 Vulnerable ·Exponentcms
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7790
- 2026-10-03 Alias added: GHSA-33hm-x4hv-3825
- 2026-10-08 EPSS moved to the 90th–95th percentile
References
More Exponentcms Exponent Cms vulnerabilities
- TI-2016-02037 Exponent CMS 2.x before 2.3.7 Patch 3 allows remote attackers to execute arbitrary code… CVSS 3.0CRITICAL 9.8
- TI-2016-06302 Multiple SQL injection vulnerabilities in Exponent CMS before 2.4.0 allow remote… CVSS 3.0CRITICAL 9.8
- TI-2016-06543 Exponent CMS 2.3.9 suffers from a remote code execution vulnerability in… CVSS 3.0CRITICAL 9.8
- TI-2016-07387 SQL injection vulnerability in framework/modules/help/controllers/helpController.php in… CVSS 3.0CRITICAL 9.8
- TI-2016-07386 SQL injection vulnerability in the activate_address function in… CVSS 3.0CRITICAL 9.8
- TI-2016-06541 SQL injection vulnerability in framework/core/models/expConfig.php in Exponent CMS 2.3.9… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2016-7790 · CVE Program
- CVE-2016-7790 · NVD
- FIRST EPSS
- GHSA-33hm-x4hv-3825 · 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