# CVE-2026-112313: ACF Extended stored cross-site scripting vulnerability

Source: https://junglewise.ai/threats/cve-2026-112313-improper-neutralization-of-input-during-web-page-generation  
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-2026-112313 · Severity: high · CVSS 7.1 · Published 2026-10-22

ACF Extended is a WordPress plugin that extends the Advanced Custom Fields functionality for website builders. A stored cross-site scripting (XSS) vulnerability in this plugin allows attackers to inject malicious scripts into web pages that affect all visitors to a site. If exploited, attackers could steal visitor data, hijack user accounts, or redirect users to malicious sites.

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-2026-112313 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-112313 being exploited in the wild.

**How severe is CVE-2026-112313?** High severity, with a CVSS score of 7.1, published 22 October 2026.

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

**Is there a fix for CVE-2026-112313?** Yes: fixed in 0.9.2.8. Until then: Update the ACF Extended plugin to version 0.9.2.8 or later immediately. If unable to update immediately, Patchstack reports a mitigation rule is available to block attacks until the plugin can be patched. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-112313 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-112313?** 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

Update the ACF Extended plugin to version 0.9.2.8 or later immediately. If unable to update immediately, Patchstack reports a mitigation rule is available to block attacks until the plugin can be patched.

## Technical details

This is a stored XSS vulnerability in ACF Extended versions up to 0.9.2.7 resulting from improper neutralization of user-supplied input during web page generation. The vulnerability requires user interaction (a privileged user clicking a malicious link or visiting a crafted page), but once stored on the site, the malicious script executes for all visitors. The vulnerability is fixed in version 0.9.2.8 and later.

## Affected products

- ACF Extended ACF Extended through 0.9.2.7

## Timeline

- 2026-10-22: disclosed: Vulnerability published on NVD
- 2026-10-20: patched: Patched version 0.9.2.8 released
- 2026-08-19: other: Reported by Asim Alshaya

## 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-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/acf-extended/vulnerability/wordpress-acf-extended-plugin-0-9-2-7-cross-site-scripting-xss-vulnerability?_s_id=cve)

## Related threats

- [ACF Extended broken access control in page/content permissions](https://junglewise.ai/threats/cve-2026-112312-missing-authorization-vulnerability-in-acf-extended-acf-extended)
- [ACF Extended path traversal vulnerability in file handling](https://junglewise.ai/threats/cve-2026-112311-improper-limitation-of-a-pathname-to-a-restricted-directory-path)