# CVE-2026-112311: ACF Extended path traversal vulnerability in file handling

Source: https://junglewise.ai/threats/cve-2026-112311-improper-limitation-of-a-pathname-to-a-restricted-directory-path  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-22. Updated: 2026-10-22  
License: CC BY 4.0 with a link back

CVE-2026-112311 · Severity: medium · CVSS 6.5 · Published 2026-10-22

ACF Extended is a WordPress plugin that extends Advanced Custom Fields functionality. An unauthenticated attacker can exploit a path traversal vulnerability to delete arbitrary files from a WordPress site, potentially breaking the website or compromising its integrity.

Technologies: [ACF Extended](https://junglewise.ai/threats/technologies/acf-extended-acf-extended). Vendors: [ACF Extended](https://junglewise.ai/threats/vendors/acf-extended).

## Quick answers

**Is CVE-2026-112311 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-112311 being exploited in the wild.

**How severe is CVE-2026-112311?** Medium severity, with a CVSS score of 6.5, published 22 October 2026.

**Which products and versions are affected?** ACF Extended through 0.9.2.7.

**Is there a fix for CVE-2026-112311?** Yes: fixed in 0.9.2.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-112311 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-112311?** Check whether you run ACF Extended 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.

## How to fix

- Fixed in 0.9.2.8

## Technical details

A path traversal vulnerability in ACF Extended allows unauthenticated attackers to access and delete arbitrary files on the server through improper pathname validation. The vulnerability affects versions up to 0.9.2.7 and has been patched in version 0.9.2.8. No special authentication or user interaction is required to exploit this issue.

## Affected products

- ACF Extended ACF Extended through 0.9.2.7

## Timeline

- 2026-10-22: disclosed
- 2026-10-20: patched

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/acf-extended/vulnerability/wordpress-acf-extended-plugin-0-9-2-7-arbitrary-file-deletion-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/acf-extended/vulnerability/wordpress-acf-extended-plugin-0-9-2-7-arbitrary-file-deletion-vulnerability?_s_id=cve)

## Related threats

- [ACF Extended stored cross-site scripting vulnerability](https://junglewise.ai/threats/cve-2026-112313-improper-neutralization-of-input-during-web-page-generation)
- [ACF Extended broken access control in page/content permissions](https://junglewise.ai/threats/cve-2026-112312-missing-authorization-vulnerability-in-acf-extended-acf-extended)