CVE-2026-48939
Joomla Extension - icagenda.com - Remote Code Execution in iCaganda extension for Joomla < 4.0.8/3.9.15
KEVCRITICAL 10.0EPSS 20.1%
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
- icagenda.com · iCagenda extension for Joomla
- CVSS v4.0 JOOMLA
- 10.0 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red - CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 20.07% chance of exploitation in the next 30 days, 97th percentile
- CISA KEV
- added 2026-07-10
- Nuclei
- critical · CWE-434
- Published
- 2026-06-20
- Updated
- 2026-08-12
Proof-of-concept exploits (3)
- Polosss/By-Poloss..-..CVE-2026-489391★ · 2026-06-29
- ChiefYoru/CVE-2026-48939_PoC0★ · 2026-07-18
- shinthink/CVE-2026-489392★ · 2026-07-06
Nuclei templates (1)
Security advisories
- 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://www.icagenda.com