CVE-2026-48939

EUVD-2026-38109
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 97%
Affected Products (NVD)
VendorProductVersion
joomlicicagenda
3.2.1 ≤
𝑥
< 3.9.15
joomlicicagenda
4.0.0 ≤
𝑥
< 4.0.8
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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