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.

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.

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

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.

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

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