An arbitrary file upload vulnerability in O2OA v8.3.8 allows attackers to execute…
Priority MEDIUM 58CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
An arbitrary file upload vulnerability in O2OA v8.3.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00435 38th 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
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| — | — | 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-2024-35591
References
More Zoneland O2oa vulnerabilities
- TI-2024-25148 O2OA v9.0.3 was discovered to contain a remote code execution (RCE) vulnerability via the mainOutput() function. CVSS 3.1HIGH 8.8
- TI-2022-07106 O2OA v6.4.7 was discovered to contain a remote code execution (RCE) vulnerability via /x_program_center/jaxrs/invoke. CVSS 3.1CRITICAL 9.8
- TI-2025-16815 O2OA 9.1.3 is vulnerable to Cross Site Scripting (XSS) in Meetings - Settings. CVSS 3.1MEDIUM 6.1
- TI-2024-03442 Zhejiang Land Zongheng Network Technology O2OA information disclosure CVSS 3.1MEDIUM 5.9
- TI-2026-01729 O2OA HTTP POST Request check xml external entity reference CVSS 4.0MEDIUM 5.3
- TI-2025-08927 O2OA Personal Profile importmodel cross site scripting CVSS 4.0MEDIUM 5.1
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences