joomlacontenteditor Content Editor Extension up to 2.9.99.4 on Joomla JCE Editor Extension access control

Summaryinfo

A vulnerability was found in joomlacontenteditor Content Editor Extension up to 2.9.99.4 on Joomla and classified as critical. This affects an unknown part of the component JCE Editor Extension. Such manipulation leads to access control. This vulnerability is documented as CVE-2026-48907. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in joomlacontenteditor Content Editor Extension up to 2.9.99.4 on Joomla. Affected by this issue is an unknown code of the component JCE Editor Extension. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the JCE editor extension for Joomla allows the creation of new editor profiles for unauthenticated users, ultimately resulting in PHP code upload and execution.

The weakness was released by David Jardin and Uwe Flottemesch. The advisory is shared for download at joomlacontenteditor.net. This vulnerability is handled as CVE-2026-48907 since 05/26/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/18/2026). The MITRE ATT&CK project declares the attack technique as T1068.

It is declared as attacked. This issue was added on 06/16/2026 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/19/2026:

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BO

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-34789) and CERT Bund (WID-SEC-2026-1997). Once again VulDB remains the best source for vulnerability data.

Affected

• Widget Factory Joomla Content Editor

Productinfo

Type

• Joomla Component

Vendor

• joomlacontenteditor

Name

• Content Editor Extension

Version

• 2.9.99.0
• 2.9.99.1
• 2.9.99.2
• 2.9.99.3
• 2.9.99.4

CPE 2.3info

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• 🔒
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CPE 2.2info

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• 🔒

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Once again VulDB remains the best source for vulnerability data.

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