CVE-2026-48939 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 20.1% (pctl 97)
Patch first
On CISA KEV — known exploited in the wild, due 2026-07-13.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 20.07% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-434 |
| On CISA KEV | yes — remediate by 2026-07-13 |
| Public exploit | none known |
| Published | 2026-06-20 |
| Last modified | 2026-07-11 |
CISA KEV
| Name | iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability |
|---|---|
| Added | 2026-07-10 |
| Due | 2026-07-13 |
| Vendor / product | iCagenda / iCagenda |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| joomlic | icagenda |
References
- https://www.icagenda.com/
- https://github.com/Polosss/By-Poloss..-..CVE-2026-48939
- https://mysites.guru/blog/icagenda-zero-day-file-upload-rce/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48939
- https://www.icagenda.com/docs/changelog/icagenda-3-9-15
- https://www.icagenda.com/docs/changelog/icagenda-4-0-8
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