Is CVE-2026-111843 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-111843 being exploited in the wild.

How severe is CVE-2026-111843?

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

Which products and versions are affected?

CozyThemes Rootblox through 1.0.7.

Is there a fix for CVE-2026-111843?

Yes: fixed in 1.0.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-111843 attacked?

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

Am I affected by CVE-2026-111843?

Check whether you run CozyThemes Rootblox 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-2026-111843: CozyThemes Rootblox stored cross-site scripting

CVE-2026-111843 · Severity: medium · CVSS 6.5 · Published 2026-10-20

Rootblox is a WordPress plugin for building websites and managing content. The plugin contains a stored cross-site scripting (XSS) vulnerability that allows an attacker with contributor or developer privileges to inject malicious scripts into the site. When other users, including administrators or site visitors, interact with the affected content, the malicious script executes in their browsers, potentially stealing credentials, hijacking accounts, or stealing visitor data.

Vendors: CozyThemes.

Quick answers

Is CVE-2026-111843 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-111843 being exploited in the wild.
How severe is CVE-2026-111843?: Medium severity, with a CVSS score of 6.5, published 20 October 2026.
Which products and versions are affected?: CozyThemes Rootblox through 1.0.7.
Is there a fix for CVE-2026-111843?: Yes: fixed in 1.0.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-111843 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-111843?: Check whether you run CozyThemes Rootblox 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: 1.0.8

Technical details

A stored XSS vulnerability exists in Rootblox versions up to 1.0.7 due to improper neutralization of user input during web page generation. The vulnerability requires a contributor or developer role to exploit, but the injected payload persists and executes for all users who view the affected page. An attacker can inject JavaScript that executes in the context of the website.

Affected products

CozyThemes Rootblox through 1.0.7

Timeline

2026-10-20: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.