Shared Files < 1.7.6 - Unauthenticated Stored Cross-Site Scripting
Priority MEDIUM 60Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The Shared Files WordPress plugin before 1.7.6 does not return the right Content-Type header for the specified uploaded file. Therefore, an attacker can upload an allowed file extension injected with malicious scripts.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00486 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Shared Files (Unknown): 1.7.6
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 |
|---|---|---|---|---|---|
| Unknown | Shared Files | before 1.7.6 | 1.7.6 | Patch available | CNA |
- Shared Files VendorUnknown Affected before 1.7.6 Fixed in 1.7.6 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tammersoft:shared_files:*:*:*:*:*:wordpress:*:* | before 1.7.6 | Vulnerable | Tammersoft |
- cpe:2.3:a:tammersoft:shared_files:*:*:*:*:*:wordpress:*:* Versions before 1.7.6 Vulnerable ·Tammersoft
Remediation
- Fix · CNA Shared Files (Unknown) Fixed in 1.7.6
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4819
- 2026-10-03 Alias added: GHSA-2mh6-g78c-5h6c
References
More Tammersoft Shared Files vulnerabilities
- TI-2021-07138 Shared Files < 1.6.61 - Admin+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 4.8
- TI-2021-07018 Shared Files < 1.6.57 - Admin+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 4.8
Sources
- CVE-2023-4819 · CVE Program
- CVE-2023-4819 · NVD
- FIRST EPSS
- GHSA-2mh6-g78c-5h6c · 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