PatchTheCVECVE-2026-1900: The Link Whisper Free WordPress plugin before 0.9.1 has a publicly accessible REST endpoint that allows unauth
CVE-2026-1900 is a medium-severity flaw (CVSS 6.5) affecting link whisper. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Link Whisper Free WordPress plugin before 0.9.1 has a publicly accessible REST endpoint that allows unauthenticated settings updates.
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-306 |
| Published | 2026-04-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-1900?
link whisper: upgrade to 0.9.1. Exact commands for each OS are on this page.
Is CVE-2026-1900 being exploited?
CVE-2026-1900 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-1900 affect?
CVE-2026-1900 affects link whisper. Severity is medium (CVSS 6.5). The Link Whisper Free WordPress plugin before 0.9.1 has a publicly accessible REST endpoint that allows unauthenticated settings updates.
How urgent is CVE-2026-1900?
Priority 35/100. Public exploit reference; Remotely exploitable, no login, no user action