What is GHSA-4rh3-rmh3-hv6h?

GHSA-4rh3-rmh3-hv6h is a security advisory published by GitHub Security Advisories with Critical severity. A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the...

Which CVE IDs does GHSA-4rh3-rmh3-hv6h cover?

GHSA-4rh3-rmh3-hv6h covers the following CVE IDs: CVE-2026-48939. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4rh3-rmh3-hv6h?

GHSA-4rh3-rmh3-hv6h has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-4rh3-rmh3-hv6hCriticalCVSS 9.8

A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the...

Vendor

GitHub Security Advisories

Published

June 20, 2026

Last Modified

June 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-48939 →

📋 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.

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-48939
https://www.icagenda.com
https://mysites.guru/blog/icagenda-zero-day-file-upload-rce
https://www.icagenda.com/docs/changelog/icagenda-3-9-15
https://www.icagenda.com/docs/changelog/icagenda-4-0-8
https://github.com/advisories/GHSA-4rh3-rmh3-hv6h