iCagenda Extension up to 3.9.14/4.0.7 on Joomla access control

Summaryinfo

A vulnerability labeled as critical has been found in iCagenda Extension up to 3.9.14/4.0.7 on Joomla. Affected is an unknown function. Such manipulation leads to access control. This vulnerability is documented as CVE-2026-48939. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in iCagenda Extension up to 3.9.14/4.0.7 on Joomla. It has been rated as critical. Affected by this issue is an unknown part. 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 iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.

The weakness was released by Phil Taylor. The advisory is shared for download at icagenda.com. This vulnerability is handled as CVE-2026-48939 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. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/20/2026). The MITRE ATT&CK project declares the attack technique as T1068.

It is declared as attacked.

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 vulnerability database at EUVD (EUVD-2026-38109). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Joomla Component

Name

• iCagenda Extension

Version

• 3.9.0
• 3.9.1
• 3.9.2
• 3.9.3
• 3.9.4
• 3.9.5
• 3.9.6
• 3.9.7
• 3.9.8
• 3.9.9
• 3.9.10
• 3.9.11
• 3.9.12
• 3.9.13
• 3.9.14
• 4.0.0
• 4.0.1
• 4.0.2
• 4.0.3
• 4.0.4
• 4.0.5
• 4.0.6
• 4.0.7

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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