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CVE-2026-115452— Joomla Extension - tassos.gr - Privileged stored XSS in Advanced Custom Fields 2.8.2-2.8.15, 3.0.0-3.1.8 and Smile Pack 1.1.2-1.2.9, 2.0.0-2.1.6

Quick assessment

Affected
tassos.gr Advanced Custom Fields 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 扩展组件 tassos.gr 存在特权存储型跨站脚本（XSS）漏洞，影响 Advanced Custom Fields 2.8.2 至 2.8.15、3.0.0 至 3.1.8 版本，以及 Smile Pack 1.1.2 至 1.2.9、2.0.0 至 2.1.6 版本。若攻击者拥有编辑地图标记标签的权限（例如文章作者），则可在标签中注入恶意脚本，该脚本将在任何用户打开该地图标记时执行。

CVSS 7.5 · High

Affected Version Matrix 4

VendorProduct Version RangeStatus
tassos.gr Advanced Custom Fields extension for Joomla 3.0.0-3.1.8 affected
2.8.2-2.8.15 affected
tassos.gr Smile Pack extension for Joomla 2.0.0-2.1.6 affected
1.1.2-1.2.9 affected
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I. Basic Information for CVE-2026-115452

Vulnerability Information
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Vulnerability Title
Joomla Extension - tassos.gr - Privileged stored XSS in Advanced Custom Fields 2.8.2-2.8.15, 3.0.0-3.1.8 and Smile Pack 1.1.2-1.2.9, 2.0.0-2.1.6
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - tassos.gr - Privileged stored XSS in Advanced Custom Fields 2.8.2-2.8.15, 3.0.0-3.1.8 and Smile Pack 1.1.2-1.2.9, 2.0.0-2.1.6 - A user who could edit a Map marker label, like an article author, could add a script that ran for anyone who opened the marker.
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
tassos.gr Advanced Custom Fields extension for Joomla 3.0.0-3.1.8 -
tassos.gr Smile Pack extension for Joomla 2.0.0-2.1.6 -

II. Public POCs for CVE-2026-115452

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III. Intelligence Information for CVE-2026-115452

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Other References for CVE-2026-115452 (1)

IV. Related Vulnerabilities

Same product: Advanced Custom Fields extension for Joomla
Same vendor: tassos.gr
Same weakness: CWE-79