Is CVE-2026-66601 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-66601 being exploited in the wild.

How severe is CVE-2026-66601?

Medium severity, with a CVSS score of 6.5, published 20 August 2026.

Which products and versions are affected?

David Lingren Media Library Assistant <= 3.39.

Is there a fix for CVE-2026-66601?

A patch was published on 2026-08-20: Version 3.40 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-66601 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-66601?

Check whether you run David Lingren Media Library Assistant 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-2026-66601: Media Library Assistant Cross-Site Scripting in subscriber roles

Q: Is there a fix for CVE-2026-66601?

A patch was published on 2026-08-20: Version 3.40 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-66601 attacked?

It is attacked over the network, in a web application.

Q: Am I affected by CVE-2026-66601?

Check whether you run David Lingren Media Library Assistant 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-2026-66601 · Severity: medium · CVSS 6.5 · Published 2026-08-20

Media Library Assistant is a popular WordPress plugin for managing media files. A cross-site scripting (XSS) vulnerability in versions up to 3.39 allows attackers with subscriber-level access to inject malicious scripts that can steal visitor data or hijack user accounts, requiring a privileged user to click a malicious link or perform an action to trigger the exploit.

Technologies: David Lingren Media Library Assistant. Vendors: David Lingren.

Quick answers

Is CVE-2026-66601 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-66601 being exploited in the wild.
How severe is CVE-2026-66601?: Medium severity, with a CVSS score of 6.5, published 20 August 2026.
Which products and versions are affected?: David Lingren Media Library Assistant <= 3.39.
Is there a fix for CVE-2026-66601?: A patch was published on 2026-08-20: Version 3.40 released Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-66601 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-66601?: Check whether you run David Lingren Media Library Assistant 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

The vulnerability is a stored or reflected cross-site scripting (XSS) flaw in Media Library Assistant plugin versions 3.39 and earlier. It requires subscriber-level privileges and user interaction (e.g., clicking a link or visiting a crafted page) to exploit successfully. An attacker can inject malicious JavaScript that executes in the context of other users' browsers, potentially stealing session tokens, admin credentials, or visitor data. The vulnerability was patched in version 3.40 released on 19 August 2026.

Affected products

David Lingren Media Library Assistant <= 3.39

Timeline

2026-08-19: disclosed: Published on Patchstack
2026-08-20: patched: Version 3.40 released

References

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