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Critical · 10.0 Known exploited Scanner template Public exploit CVE-2026-48939 EUVD-2026-38109GHSA-4rh3-rmh3-hv6h

Joomla Extension - icagenda.com - Remote Code Execution in iCaganda extension for Joomla < 4.0.8/3.9.15

Published Jun 20, 2026 · Updated Aug 12, 2026 · Assigned by Joomla

Vendor: icagenda.com Product: iCagenda extension for Joomla Category: Web / CMS

Description

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.

Affected products

VendorProductAffectedFixed
icagenda.com iCagenda extension for Joomla 3.2.1-4.0.7 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 3 repositories

  • shinthink/CVE-2026-48939 ★ 2 · Jul 5, 2026

    Pre-auth arbitrary file upload RCE exploit for iCagenda Joomla extension < 4.0.8 (CVSS 10.0)

  • Polosss/By-Poloss..-..CVE-2026-48939 ★ 1 · Jun 29, 2026

    iCagenda Unauthenticated File Upload to RCE

  • ChiefYoru/CVE-2026-48939_PoC ★ 0 · Jul 18, 2026

    iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

References