Link Whisper Free < 0.9.1 - Unauthenticated Settings and User Meta Update
Priority HIGH 68CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-306.
Summary
The Link Whisper Free WordPress plugin before 0.9.1 has a publicly accessible REST endpoint that allows unauthenticated settings updates.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00193 9th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Link Whisper Free (Unknown): 0.9.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- 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 | Link Whisper Free | before 0.9.1 | 0.9.1 | Patch available | CNA |
- Link Whisper Free VendorUnknown Affected before 0.9.1 Fixed in 0.9.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:linkwhisper:link_whisper:*:*:*:*:free:wordpress:*:* | before 0.9.1 | Vulnerable | Link Whisper |
- cpe:2.3:a:linkwhisper:link_whisper:*:*:*:*:free:wordpress:*:* Versions before 0.9.1 Vulnerable ·Link Whisper
Remediation
- Fix · CNA Link Whisper Free (Unknown) Fixed in 0.9.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1900
- 2026-10-03 Alias added: GHSA-9w5f-xhp2-5782
References
Sources
- CVE-2026-1900 · CVE Program
- CVE-2026-1900 · NVD
- FIRST EPSS
- GHSA-9w5f-xhp2-5782 · 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