Timeline and History slider

Timeline and History slider has 3 disclosed vulnerabilities in the WordSec catalog, reported between 2023 and 2026; all 3 are fixed as of September 2026. Their average CVSS score is 8.0, and the most serious one scores 9.8 out of 10. Severity breakdown: 1 critical and 1 high.

The most common weakness is Embedded Malicious Code, behind 1 of the records (33%). Other recurring categories include Missing Authorization, PHP Remote File Inclusion.

Every one of the 3 issues recorded for Timeline and History slider has a vendor fix available, so running the current release closes all known holes.

3 independent researchers contributed these findings, one record each.

Strategic Overview

Avg CVSSHigh

8.0/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all Timeline and History slider vulnerabilities before they are exploited.

Highest severity on recordCVSS 9.8CVE-2026-6443

Essentialplugin Plugins (Various Versions) - Injected Backdoor

Read the full analysis

Vulnerability Records

3 records


2026-04-09 00:00	Essentialplugin Plugins (Various Versions) - Injected Backdoor Timeline and History slider 2.4.5	`CVE-2026-6443`	9.8 Critical	Cooties	Yes
2024-08-09 00:00	Timeline and History slider <= 2.3 - Authenticated (Contributor+) Local File Inclusion Timeline and History slider <= 2.3	`CVE-2024-43232`	8.8 High	João Pedro Soares de Alcântara	Yes
2023-08-16 00:00	Multiple WPOnlineSupport Plugins <= (Various Versions) - Missing Authorization to Notice Dismissal Timeline and History slider <= 2.1	`CVE-2023-40200`	5.3 Medium	Abdi Pranata	Yes

Showing 1–3 of 3 reports