T1 theme <= 19.0 - Open Redirect
Priority MEDIUM 60CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- 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-601.
Summary
The T1 WordPress theme through 19.0 is vulnerable to unauthenticated open redirect with which any attacker and redirect users to arbitrary websites.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00527 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and 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 |
|---|---|---|---|---|---|
| Unknown | t1 | up to 19.0 | — | No fix listed | CNA |
- t1 VendorUnknown Affected up to 19.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:t1_project:t1:*:*:*:*:*:wordpress:*:* | up to 19.0 | Vulnerable | T1 Project |
- cpe:2.3:a:t1_project:t1:*:*:*:*:*:wordpress:*:* Versions up to 19.0 Vulnerable ·T1 Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3771
- 2026-10-03 Alias added: GHSA-9mw7-8x3h-gcqc
References
Sources
- CVE-2023-3771 · CVE Program
- CVE-2023-3771 · NVD
- FIRST EPSS
- GHSA-9mw7-8x3h-gcqc · 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