# CVE-2026-116392: PickPlugins Accordion object injection via untrusted deserialization

Source: https://junglewise.ai/threats/cve-2026-116392-deserialization-of-untrusted-data-vulnerability-in-pickplugins  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-28. Updated: 2026-10-28  
License: CC BY 4.0 with a link back

CVE-2026-116392 · Severity: high · CVSS 7.2 · Published 2026-10-28

The PickPlugins Accordion WordPress plugin contains a PHP object injection vulnerability that allows attackers to manipulate how the site processes data and execute arbitrary actions on the server. An attacker with editor-level privileges can exploit this to gain remote code execution or compromise the website. This is a moderate-priority risk expected to be widely exploited.

Vendors: [PickPlugins](https://junglewise.ai/threats/vendors/pickplugins).

## Quick answers

**Is CVE-2026-116392 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-116392 being exploited in the wild.

**How severe is CVE-2026-116392?** High severity, with a CVSS score of 7.2, published 28 October 2026.

**Which products and versions are affected?** PickPlugins Accordion through 2.3.25.

**Is there a fix for CVE-2026-116392?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-116392 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-116392?** Check whether you run PickPlugins Accordion at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The plugin improperly deserializes untrusted data, allowing object injection attacks. An attacker with editor privileges can craft malicious serialized data to instantiate arbitrary PHP objects and invoke their methods, leading to code execution on the server. No official patch is currently available for versions up to 2.3.25.

## Affected products

- PickPlugins Accordion through 2.3.25

## Timeline

- 2026-10-26: disclosed
- 2026-10-28: advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/accordions/vulnerability/wordpress-accordion-plugin-2-3-25-php-object-injection-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/accordions/vulnerability/wordpress-accordion-plugin-2-3-25-php-object-injection-vulnerability?_s_id=cve)
