# CVE-2026-102376: Branda white-labeling plugin stored XSS

Source: https://junglewise.ai/threats/cve-2026-102376-subscriber-cross-site-scripting-xss-in-branda-3-4-32-versions  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-30. Updated: 2026-09-30  
License: CC BY 4.0 with a link back

CVE-2026-102376 · Severity: high · CVSS 7.1 · Published 2026-09-30

Branda is a WordPress plugin for white-labeling WordPress sites. A stored cross-site scripting (XSS) vulnerability in versions 3.4.32 and earlier allows an attacker with subscriber-level access to inject malicious scripts that execute in visitors' browsers, potentially stealing their data or hijacking their accounts.

Vendors: [WPMU DEV](https://junglewise.ai/threats/vendors/wpmu-dev).

## Quick answers

**Is CVE-2026-102376 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-102376 being exploited in the wild.

**How severe is CVE-2026-102376?** High severity, with a CVSS score of 7.1, published 30 September 2026.

**Which products and versions are affected?** WPMU DEV Branda <=3.4.32.

**Is there a fix for CVE-2026-102376?** A patch was published on 2026-09-30: version 3.4.33 or later Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-102376 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-102376?** Check whether you run WPMU DEV Branda 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

A stored XSS vulnerability exists in Branda versions up to 3.4.32 where subscriber-level users can inject malicious scripts. The vulnerability requires user interaction (a privileged user clicking a malicious link or submitting a form) for successful exploitation. The injected scripts persist on the site and execute in victims' browsers, enabling credential theft or account takeover.

## Affected products

- WPMU DEV Branda <=3.4.32

## Timeline

- 2026-09-30: disclosed
- 2026-09-30: patched: version 3.4.33 or later

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/branda-white-labeling/vulnerability/wordpress-branda-plugin-3-4-32-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/branda-white-labeling/vulnerability/wordpress-branda-plugin-3-4-32-cross-site-scripting-xss-vulnerability?_s_id=cve)

## Related threats

- [WPMU DEV Branda privilege escalation via account takeover](https://junglewise.ai/threats/cve-2026-11551-wpmu-dev-branda-privilege-escalation-via-account-takeover)