CVE-2026-48939
Joomla Extension - icagenda.com - Remote Code Execution in iCaganda extension for Joomla < 4.0.8/3.9.15
- State
- Published
- Severity
- 10.0 Critical
- Published
- Jun 20, 2026
- Updated
- Aug 12, 2026
- Reserved
- May 26, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 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/AU:Y/U:Red | Joomla |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
iCagenda extension for Joomlaicagenda.com |
|
References
- https://www.icagenda.com/product
- https://mysites.guru/blog/icagenda-zero-day-file-upload-rce/third-party-advisory
- https://www.icagenda.com/docs/changelog/icagenda-3-9-15patch
- https://www.icagenda.com/docs/changelog/icagenda-4-0-8patch
- https://github.com/Polosss/By-Poloss..-..CVE-2026-48939exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48939government-resource
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.