Accordion and Accordion Slider

Accordion and Accordion Slider has 4 disclosed vulnerabilities in the WordSec catalog, reported between 2023 and 2026; all 4 are fixed as of September 2026. Their average CVSS score is 6.8, and the most serious one scores 9.8 out of 10. Severity breakdown: 1 critical and 0 high. 2026 was the busiest year with 2 disclosures.

The most common weakness is Missing Authorization, behind 3 of the records (75%). Other recurring categories include Embedded Malicious Code.

Every one of the 4 issues recorded for Accordion and Accordion Slider has a vendor fix available, so running the current release closes all known holes.

4 independent researchers contributed these findings, one record each.

Strategic Overview

Avg CVSSMedium

6.8/ 10

Patch Coverage100%

Open

Fixed

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Highest severity on recordCVSS 9.8CVE-2026-6443

Essentialplugin Plugins (Various Versions) - Injected Backdoor

Read the full analysis

Vulnerability Records

4 records


2026-04-09 00:00	Essentialplugin Plugins (Various Versions) - Injected Backdoor Accordion and Accordion Slider 1.4.6	`CVE-2026-6443`	9.8 Critical	Cooties	Yes
2026-02-13 18:20	Accordion and Accordion Slider <= 1.4.5 - Missing Authorization to Authenticated (Contributor+) Attachment Metadata Modification Accordion and Accordion Slider <= 1.4.5	`CVE-2026-0727`	5.4 Medium	Kazuma Matsumoto	Yes
2023-08-16 00:00	Multiple WPOnlineSupport Plugins <= (Various Versions) - Missing Authorization to Notice Dismissal Accordion and Accordion Slider <= 1.2.4	`CVE-2023-40200`	5.3 Medium	Abdi Pranata	Yes
2023-08-11 00:00	Accordion and Accordion Slider <= 1.2.4 - Missing Authorization via 'wp_aas_get_attachment_edit_form' and 'wp_aas_save_attachment_data' Accordion and Accordion Slider <= 1.2.4	`CVE-2023-39996`	6.5 Medium	Cat	Yes

Showing 1–4 of 4 reports