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CVE-2026-90905— Joomla Extension - joomshaper.com - Missing CSRF and Access Control on Site Configuration Update in Easy Store extension 1.0.0-3.0.0

Quick assessment

Affected
joomshaper.com Easy Store 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 Extension - joomshaper.com - Missing CSRF and Access Control on Site Configuration Update in Easy Store extension 1.0.0-3.0.0 - The endpoint administrator/index.php?option=com_easystore&task=appconfig.updateConfiguration updated core Joomla mail configu

CVSS 7.2 · High

Affected Version Matrix 1

VendorProduct Version RangeStatus
joomshaper.com Easy Store extension for Joomla 1.0.0-3.0.0 affected
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I. Basic Information for CVE-2026-90905

Vulnerability Information

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Vulnerability Title
Joomla Extension - joomshaper.com - Missing CSRF and Access Control on Site Configuration Update in Easy Store extension 1.0.0-3.0.0
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - joomshaper.com - Missing CSRF and Access Control on Site Configuration Update in Easy Store extension 1.0.0-3.0.0 - The endpoint administrator/index.php?option=com_easystore&task=appconfig.updateConfiguration updated core Joomla mail configuration (fromname, mailfrom) in configuration.php without verifying anti-CSRF tokens or checking for administrative permissions (canAdmin). A malicious site could silently modify the site's sender name and email address via forged requests from an admin's browser. Resolved by enforcing Session::checkToken('request') / Session::checkToken('post') and adding explicit administrative authorization verification via AccessControl::create()->canAdmin().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
joomshaper.com Easy Store extension for Joomla 1.0.0-3.0.0 -

II. Public POCs for CVE-2026-90905

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III. Intelligence Information for CVE-2026-90905

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Same Patch Batch · joomshaper.com · 2026-09-23 · 7 CVEs total

CVE-2026-90901 8.6 HIGH Joomla Extension - joomshaper.com - Authenticated, Privileged SQL Injection in Media Image
CVE-2026-90904 8.6 HIGH Joomla Extension - joomshaper.com - Broken Access Control (ACL Bypass) in ApiController Re
CVE-2026-90902 8.2 HIGH Joomla Extension - joomshaper.com - Authenticated, Privileged SQL Injection in Coupon Bulk
CVE-2026-90899 8.2 HIGH Joomla Extension - joomshaper.com - Unauthenticated PII Exposure via IDOR in Guest Checkou
CVE-2026-90903 7.2 HIGH Joomla Extension - joomshaper.com - Missing CSRF Token Verification across Administrator A
CVE-2026-90900 5.3 MEDIUM Joomla Extension - joomshaper.com - Missing CSRF Token Verification in Storefront Product

IV. Related Vulnerabilities

Same product: Easy Store extension for Joomla
Same vendor: joomshaper.com
Same weakness: CWE-352

V. Comments for CVE-2026-90905

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