WordPress plugin
CallbackKiller service widget security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All CallbackKiller service widget vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Missing Authorization to Unauthenticated Arbitrary Plugin Settings Update ≤1.2No patch available | CVE-2026-1944 |
- Medium5.3Missing Authorization to Unauthenticated Arbitrary Plugin Settings Update
≤1.2No patch available
CallbackKiller service widget: common questions
Does CallbackKiller service widget have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in CallbackKiller service widget: 1 medium. At least one is not fixed in the latest version.
How do I check which version of CallbackKiller service widget I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent CallbackKiller service widget vulnerability?
CVE-2026-1944, published Feb 13, 2026: CallbackKiller service widget <= 1.2 - Missing Authorization to Unauthenticated Arbitrary Plugin Settings Update. Severity: Medium (CVSS 5.3).
Is any CallbackKiller service widget vulnerability listed in CISA KEV?
No. None of the known CallbackKiller service widget vulnerabilities is currently listed in the CISA KEV catalog.