The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to…
Priority MEDIUM 42CWE-434Published · Updated
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. Impact type from CWE-434.
Summary
The file manager option in CuppaCMS before 2019-11-12 allows an authenticated attacker to upload a malicious file within an image extension and through a custom request using the rename function provided by the file manager is able to modify the image extension into PHP resulting in remote arbitrary code execution.
Why it matters now
EPSS 0.01863 79th percentileScored 2026-11-07
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-26048
- 2026-10-03 Alias added: GHSA-vg5c-7m9h-9pr2
References
More Cuppacms vulnerabilities
- TI-2023-25986 SQL Injection vulnerability in components/table_manager/html/edit_admin_table.php in… CVSS 3.1CRITICAL 9.8
- TI-2023-20744 Cuppa CMS v1.0 was discovered to contain a remote code execution (RCE) vulnerability via… CVSS 3.1CRITICAL 9.8
- TI-2021-10114 Session fixation vulnerability in CuppaCMS thru commit… CVSS 3.1HIGH 8.8
- TI-2022-17337 CuppaCMS 1.0 is vulnerable to Remote Code Execution (RCE). CVSS 3.1HIGH 8.8
- TI-2018-14112 CuppaCMS has XSS via an SVG document uploaded to the administrator/#/component/table_manager/view/cu_views URI. CVSS 3.1MEDIUM 5.4
- TI-2022-10836 CuppaCMS v1.0 was discovered to contain a SQL injection vulnerability via /administrator/alerts/alertLightbox.php. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-26048 · CVE Program
- CVE-2020-26048 · NVD
- FIRST EPSS
- GHSA-vg5c-7m9h-9pr2 · GitHub Advisory Database · CC BY 4.0
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