WordPress plugin
Timeline and History slider security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 3 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical1
- High1
- Medium1
- Low0
All Timeline and History slider vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Critical9.8 | Injected Backdoor 2.9.1 – 2.9.1Update to 2.9.1.1 | CVE-2026-6443 | |
| High8.8 | Authenticated (Contributor+) Local File Inclusion ≤2.3Update to 2.4 | CVE-2024-43232 | |
| Medium5.3 | Missing Authorization to Notice Dismissal ≤2.7Update to 2.8 | CVE-2023-40200 |
- Critical9.8Injected Backdoor
2.9.1 – 2.9.1Update to 2.9.1.1
- High8.8Authenticated (Contributor+) Local File Inclusion
≤2.3Update to 2.4
- Medium5.3Missing Authorization to Notice Dismissal
≤2.7Update to 2.8
Timeline and History slider: common questions
Does Timeline and History slider have known vulnerabilities?
Yes. VulnCrest Radar lists 3 known vulnerabilities in Timeline and History slider: 1 critical, 1 high, 1 medium. None are known to affect version null.
How do I check which version of Timeline and History slider 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 Timeline and History slider vulnerability?
CVE-2026-6443, published Apr 9, 2026: Essentialplugin Plugins (Various Versions) - Injected Backdoor. Severity: Critical (CVSS 9.8).
Is any Timeline and History slider vulnerability listed in CISA KEV?
No. None of the known Timeline and History slider vulnerabilities is currently listed in the CISA KEV catalog.