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CVE-2026-85189— Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla < 17.0.0

Quick assessment

Affected
regularlabs.com Modals (Free, Pro) 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 – regularlabs.com – Joomla 17.0.0 之前的 Modals 扩展中的特权存储型跨站脚本攻击（XSS） Modals 扩展将使用可执行浏览器 URL 协议（如 、 等）的目标地址当作普通的模态框 URL 处理。该值既能进入生成的链接，也能进入 iframe 加载路径。因此，由内容作者创建的内容可以直接在访问者的浏览器中执行 JavaScript，无需使用 Modals 单独的 Pro JavaScript Events 功能。

CVSS 7.5 · High EPSS 0.42% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
regularlabs.com Modals (Free, Pro) extension for Joomla 4.0.0-16.2.0 affected
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I. Basic Information for CVE-2026-85189

Vulnerability Information
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Vulnerability Title
Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla < 17.0.0
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in Modals extension for Joomla < 17.0.0 - Modals treats a destination using an executable browser URL scheme as an ordinary modal URL. The value can reach both the generated link and the iframe-loading path. Authored content can consequently become JavaScript in a visitor's browser without using Modals' separate Pro JavaScript Events feature.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/S:N/AU: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
regularlabs.com Modals (Free, Pro) extension for Joomla 4.0.0-16.2.0 -

II. Public POCs for CVE-2026-85189

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-85189

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Vendor Pages for CVE-2026-85189 (1)

Same Patch Batch · regularlabs.com · 2026-09-14 · 9 CVEs total

CVE-2026-85192 9.4 CRITICAL Joomla Extension - regularlabs.com - Authenticated, privileged remote code execution in Co
CVE-2026-85195 7.5 HIGH Joomla Extension - regularlabs.com - Privileged stored XSS via link option in Articles Any
CVE-2026-85191 7.5 HIGH Joomla Extension - regularlabs.com - Privileged stored XSS via rtla-alias option in Tabs &
CVE-2026-88853 7.5 HIGH Joomla Extension - regularlabs.com - Privileged stored XSS via event handler option in Mod
CVE-2026-85190 7.5 HIGH Joomla Extension - regularlabs.com - Privileged stored XSS via class option in Quick Index
CVE-2026-88852 7.5 HIGH Joomla Extension - regularlabs.com - Privileged stored XSS via url option in Snippets Free
CVE-2026-85188 6.9 MEDIUM Joomla Extension - regularlabs.com - Database data disclosure in Advanced Module Manager (
CVE-2026-85196 5.3 MEDIUM Joomla Extension - regularlabs.com - Reflected XSS in Articles Anywhere extension for Joom

IV. Related Vulnerabilities

Same vendor: regularlabs.com
Same weakness: CWE-79