Is CVE-2026-123477 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-123477 being exploited in the wild.

How severe is CVE-2026-123477?

Medium severity, with a CVSS score of 6.5, published 7 November 2026.

Which products and versions are affected?

Crocoblock JetEngine through 3.9.0.2.

Is there a fix for CVE-2026-123477?

Yes: fixed in 3.9.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-123477 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-123477?

Check whether you run Crocoblock JetEngine 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-2026-123477: Crocoblock JetEngine stored cross-site scripting

CVE-2026-123477 · Severity: medium · CVSS 6.5 · Published 2026-11-07

JetEngine is a WordPress plugin for building dynamic websites and content management without coding. A stored cross-site scripting (XSS) vulnerability allows authenticated users with contributor or developer privileges to inject malicious scripts into the site that execute when other users visit affected pages, potentially stealing visitor data or hijacking their accounts.

Technologies: Crocoblock JetEngine. Vendors: Crocoblock.

Quick answers

Is CVE-2026-123477 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-123477 being exploited in the wild.
How severe is CVE-2026-123477?: Medium severity, with a CVSS score of 6.5, published 7 November 2026.
Which products and versions are affected?: Crocoblock JetEngine through 3.9.0.2.
Is there a fix for CVE-2026-123477?: Yes: fixed in 3.9.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-123477 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-123477?: Check whether you run Crocoblock JetEngine 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: 3.9.1

Technical details

The plugin fails to properly neutralize user input during web page generation, allowing stored XSS injection. Exploitation requires an authenticated user with contributor or developer role to craft and inject malicious input; the payload executes when other users view the affected content. A fix is available in version 3.9.1.

Affected products

Crocoblock JetEngine through 3.9.0.2

Timeline

2026-11-07: disclosed
2026-11-07: advisory

References

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