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CVE-2026-76564— Joomla Extension - phoca.cz - Stored XSS via User-Agent header in Admin Order View in Phoca Cart 5.0.0-6.1.7

Quick assessment

Affected
phoca.cz Phoca Cart 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 - phoca.cz - Phoca Cart 5.0.0-6.1.7 的管理订单查看功能中，通过 User-Agent 头字段存在存储型跨站脚本漏洞（Stored XSS）

CVSS 8.6 · High EPSS 0.26% · P18

Affected Version Matrix 1

VendorProduct Version RangeStatus
phoca.cz Phoca Cart extension for Joomla 5.0.0-6.1.7 affected
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I. Basic Information for CVE-2026-76564

Vulnerability Information
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Vulnerability Title
Joomla Extension - phoca.cz - Stored XSS via User-Agent header in Admin Order View in Phoca Cart 5.0.0-6.1.7
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - phoca.cz - Stored XSS via User-Agent header in Admin Order View in Phoca Cart 5.0.0-6.1.7
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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
phoca.cz Phoca Cart extension for Joomla 5.0.0-6.1.7 -

II. Public POCs for CVE-2026-76564

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-76564

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Vendor Pages for CVE-2026-76564 (1)

Same Patch Batch · phoca.cz · 2026-08-20 · 3 CVEs total

CVE-2026-76569 5.3 MEDIUM Joomla Extension - phoca.cz - Reflected XSS via the search GET parameter in Phoca Download
CVE-2026-76565 5.3 MEDIUM Joomla Extension - phoca.cz - Reflected XSS via price_from & price_to filter parameters in

IV. Related Vulnerabilities

Same product: Phoca Cart extension for Joomla
Same vendor: phoca.cz
Same weakness: CWE-79

V. Comments for CVE-2026-76564

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