# CVE-2026-32333: Mayosis Core reflected cross-site scripting (XSS)

Source: https://junglewise.ai/threats/cve-2026-32333-mayosis-core-reflected-cross-site-scripting-xss  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-18. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-32333 · Severity: high · CVSS 7.1 · Published 2026-08-18

Mayosis Core is a WordPress plugin used to build membership and community sites. An unauthenticated attacker can inject malicious JavaScript into pages viewed by site visitors, potentially stealing user credentials, hijacking accounts, or compromising sensitive data. The vulnerability requires social engineering (victim clicking a malicious link) but poses a significant risk to any website using the affected plugin.

## Quick answers

**Is CVE-2026-32333 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-32333 being exploited in the wild.

**How severe is CVE-2026-32333?** High severity, with a CVSS score of 7.1, published 18 August 2026.

**Which products and versions are affected?** Mayosis Core <= 5.4.7.

**Is there a fix for CVE-2026-32333?** 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-2026-32333 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-32333?** Check whether anything you run is named in the advisory. 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

This is a reflected cross-site scripting (XSS) vulnerability in WordPress Mayosis Core plugin versions 5.4.7 and earlier. The vulnerability is unauthenticated and requires user interaction—an attacker crafts a malicious link containing JavaScript payload that executes in the victim's browser when clicked. The vulnerability appears to stem from insufficient input validation or output encoding of user-supplied parameters. Successful exploitation allows an attacker to steal session cookies, redirect to phishing pages, or perform actions on behalf of the victim. As of the advisory date, no official patch is available; users are advised to use Patchstack's mitigation rules or upgrade once a patch is released.

## Affected products

- Mayosis Core <= 5.4.7

## Timeline

- 2026-08-18: disclosed: Published on NVD
- 2026-01-16: other: Initially reported to Patchstack by João Pedro S Alcântara (Kinorth)

## References

- [https://patchstack.com/database/wordpress/plugin/mayosis-core/vulnerability/wordpress-mayosis-core-plugin-5-4-7-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/mayosis-core/vulnerability/wordpress-mayosis-core-plugin-5-4-7-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve)