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CVE-2026-88852— Joomla Extension - regularlabs.com - Privileged stored XSS via url option in Snippets Free extension for Joomla < 7.0.0, Snippets Pro extension for Joomla < 11.0.0

Quick assessment

Affected
regularlabs.com Snippets (Free) 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 插件 - regularlabs.com - Snippets Free for Joomla < 7.0.0 和 Snippets Pro for Joomla < 11.0.0 中的 URL 选项存在高权限存储型 XSS 漏洞。Snippets 插件会将文章标签中提供的变量值替换到已保存的 Snippet 内容中。受影响的版本未考虑文章作者的信任级别。因此，较低权限的作者可以将不安全的值放入由受信任的 Snippet 作者选择的安全敏感位置中。

CVSS 7.5 · High EPSS 0.42% · P36

Affected Version Matrix 2

VendorProduct Version RangeStatus
regularlabs.com Snippets (Free) extension for Joomla 1.0.0-6.9.4 affected
regularlabs.com Snippets (Pro) extension for Joomla 1.0.0-10.0.6 affected
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I. Basic Information for CVE-2026-88852

Vulnerability Information
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Vulnerability Title
Joomla Extension - regularlabs.com - Privileged stored XSS via url option in Snippets Free extension for Joomla < 7.0.0, Snippets Pro extension for Joomla < 11.0.0
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - regularlabs.com - Privileged stored XSS via url option in Snippets Free extension for Joomla < 7.0.0, Snippets Pro extension for Joomla < 11.0.0 - Snippets substitutes variable values supplied by an article tag into saved Snippet content. The affected versions do not consider the article author's trust level. A lower-privileged author can therefore place an unsafe value into a security-sensitive position chosen by the trusted Snippet author.
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 Snippets (Free) extension for Joomla 1.0.0-6.9.4 -
regularlabs.com Snippets (Pro) extension for Joomla 1.0.0-10.0.6 -

II. Public POCs for CVE-2026-88852

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-88852

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Vendor Pages for CVE-2026-88852 (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-2026-85189 7.5 HIGH Joomla Extension - regularlabs.com - Privileged stored XSS via executable URL schemes in M
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