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CVE-2026-102790— Joomla Extension - icagenda.com - Authenticated Stored XSS in iCagenda 4.0.8 to 4.0.12

Quick assessment

Affected
icagenda.com iCagenda extension for Joomla
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla 扩展插件 icagenda.com：在 iCagenda 3.2.1 至 4.0.16 版本中，通过 URL 类型事件的自定义字段存在存储型跨站脚本（Stored XSS）漏洞。

CVSS 8.6 · High
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I. Basic Information for CVE-2026-102790

Vulnerability Information
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Vulnerability Title
Joomla Extension - icagenda.com - Authenticated Stored XSS in iCagenda 4.0.8 to 4.0.12
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - icagenda.com - Stored XSS via url-type event Custom Field in iCagenda 3.2.1 to 4.0.16
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
icagenda.com iCagenda extension for Joomla 3.2.1-4.0.16 -

II. Public POCs for CVE-2026-102790

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-102790

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Other References for CVE-2026-102790 (1)

IV. Related Vulnerabilities

Same product: iCagenda extension for Joomla
Same vendor: icagenda.com
Same weakness: CWE-79