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CVE-2026-90901— Joomla Extension - joomshaper.com - Authenticated, Privileged SQL Injection in Media Image Deletion 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 - Authenticated, Privileged SQL Injection in Media Image Deletion in Easy Store extension 1.0.0-3.0.0 - The checkout.searchGuestUser endpoint allowed querying guest checkout records solely by supplying an email address. The se

CVSS 8.6 · 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-2026-90901

Vulnerability Information

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Vulnerability Title
Joomla Extension - joomshaper.com - Authenticated, Privileged SQL Injection in Media Image Deletion in Easy Store extension 1.0.0-3.0.0
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - joomshaper.com - Authenticated, Privileged SQL Injection in Media Image Deletion in Easy Store extension 1.0.0-3.0.0 - The checkout.searchGuestUser endpoint allowed querying guest checkout records solely by supplying an email address. The server returned complete shipping details (full name, phone number, street address, city, postal code, and country) directly from the #__easystore_guests table with no authentication, session validation, or ownership checks. An unauthenticated attacker could iterate through email lists to enumerate guest customers and harvest sensitive Personally Identifiable Information (PII). Resolved by removing the unauthenticated server-side guest lookup endpoint entirely and migrating autofill functionality to client-side localStorage protected by explicit user consent.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
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-2026-90901

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III. Intelligence Information for CVE-2026-90901

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

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-2026-90905 7.2 HIGH Joomla Extension - joomshaper.com - Missing CSRF and Access Control on Site Configuration
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-74

V. Comments for CVE-2026-90901

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