CVE-2026-48939Critical· 9.8▾ Hadal⚠ Exploited in the wildPoC availableA 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.
▾ Hadal zone — Critical and actively exploited (CISA KEV / 0day)
impact 53.9 · likelihood 4 · exploitation 25
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 2 sources. Availability, not in-the-wild use.
Exploit-prediction probability, daily snapshots since Jul 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
Federal remediation due Jul 13, 2026
24%
24% → 83%
3 GitHub repos · Nuclei ×1
Added to the CISA catalog on Jul 10, 2026. Federal remediation due Jul 13, 2026. View catalog ↗
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.
icagenda >= 3.2.1, < 3.9.15icagenda >= 4.0.0, < 4.0.8Upgrade past the affected range:
icagenda 4.0.8Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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