File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin…
Priority MEDIUM 45CWE-434Published · 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
File Upload vulnerability exists in ArticleCMS 1.0 via the image upload feature at /admin by changing the Content-Type to image/jpeg and placing PHP code after the JPEG data, which could let a remote malicious user execute arbitrary PHP code.
Why it matters now
EPSS 0.01292 70th 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:articlecms_project:articlecms:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Articlecms Project |
- cpe:2.3:a:articlecms_project:articlecms:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Articlecms Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-20092
- 2026-10-03 Alias added: GHSA-cxj4-6hjw-fcm6
References
More Articlecms Project Articlecms vulnerabilities
- TI-2020-17081 A file upload issue exists in all versions of ArticleCMS which allows malicious users to getshell. CVSS 3.1CRITICAL 9.8
- TI-2018-13788 ArticleCMS through 2017-02-19 has XSS via the /update_personal_infomation realname or email parameter. CVSS 3.0MEDIUM 6.1
- TI-2018-08853 ArticleCMS through 2017-02-19 has XSS via an "add an article" action. CVSS 3.0MEDIUM 5.4
Sources
- CVE-2020-20092 · CVE Program
- CVE-2020-20092 · NVD
- FIRST EPSS
- GHSA-cxj4-6hjw-fcm6 · 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