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CVE-2026-90905HighCVSS 7.2CVE published 23 September 2026Added to mySites.guru 23 September 2026

EasyStore (com_easystore) below 3.0.1 - Unauthenticated Customer Address Disclosure, Authenticated SQL Injection, CSRF and ACL Bypass

EasyStore, the JoomShaper ecommerce component for Joomla, is affected by seven flaws fixed in version 3.0.1, found and reported by mySites.guru. (1) Unauthenticated customer data disclosure: the guest checkout lookup returned a guest customer's saved shipping address (name, street address, city, postcode, country and phone number) to any anonymous visitor who supplied that customer's email address, with no login, session or ownership check. (2) Cross-site request forgery on storefront product reviews: the token check was commented out, so a page a logged-in customer visited could submit reviews in their name. Five further flaws need an administrator session and matter when an admin account is phished or shared, or when an admin is lured to a malicious page: SQL injection in media image deletion and in coupon bulk updates (ids concatenated into an IN() clause), no CSRF token check on the administrator AJAX API, an allowEdit() that always returned true and so bypassed Joomla asset permissions on record edits, and a configuration update that rewrote the site sender name and email in configuration.php with no CSRF token or access check. The flaws were reported against 3.0.0 and are present in the 2.x code as well, so every version below 3.0.1 is treated as affected. Update to EasyStore 3.0.1 or later, released 23 September 2026. The customer address disclosure is a silent read that leaves no file changes, so a clean file scan does not show a site was unaffected. CVE-2026-90899, CVE-2026-90900, CVE-2026-90901, CVE-2026-90902, CVE-2026-90903, CVE-2026-90904 and CVE-2026-90905 were published by the Joomla CNA on 23 September 2026, crediting Phil Taylor of mySites.guru.

Is my site affected?

Affected
EasyStore before 3.0.1
Fixed in
3.0.1
What to do
Update EasyStore to 3.0.1 or later.
Check whether your sites are affected

How CVE-2026-90905 is scored

The base metrics as Joomla CNA published them, and what each one means for a site running an affected version. Threat and environmental metrics are left out: they describe a moment or a particular install rather than the flaw.

7.2 High

CVSS 4.0, scored by Joomla CNA
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

How it is reached

AV:N Attack vector
Network. Reachable across the internet
AC:L Attack complexity
Low. Nothing to work around, it just works
AT:N Attack requirements
None. Works against any affected install
PR:N Privileges required
None. No account needed
UI:P User interaction
Passive. Someone has to visit a page

What it does to the site

VC:L Confidentiality
Low. Some data can be read
VI:H Integrity
High. Data and files can be altered at will
VA:H Availability
High. The site can be taken down

What it does beyond the site

SC:N Confidentiality
None. Other systems keep their data
SI:N Integrity
None. Other systems keep their integrity
SA:N Availability
None. Other systems stay up

Timeline

  1. 23 September 2026CVE-2026-90905 record published by its CNA
  2. 23 September 2026mySites.guru check added for EasyStore (before 3.0.1)
  3. 23 September 2026We published: EasyStore 3.0.1 Fixes Seven Security Flaws mySites.guru Found in 3.0.0 on Release Day

Rule details

Our disclosure post

EasyStore 3.0.1 Fixes Seven Security Flaws mySites.guru Found in 3.0.0 on Release Day

EasyStore 3.0.1 Fixes Seven Security Flaws mySites.guru Found in 3.0.0 on Release Day

Before EasyStore 3.0.1, any visitor could pull a Joomla shop customer's home address and phone number from their email. mySites.guru found it and six more.

Other vulnerabilities in EasyStore

Updating for CVE-2026-90905 alone can leave a site on a release another rule still matches. These are the other flaws we check for in the same extension.

EasyStore

Latest safe version: 3.0.1

All 10 CVEs in EasyStore

References

CVE-2026-90905 questions

Which versions are affected by CVE-2026-90905?
CVE-2026-90905 affects EasyStore before 3.0.1. The fix is in 3.0.1.
How do I fix CVE-2026-90905?
Update EasyStore to 3.0.1 or later. Then confirm the installed version on the Joomla administrator's Extensions: Manage screen.
How severe is CVE-2026-90905?
Joomla CNA scores it 7.2 (High) under CVSS 4.0. In plain terms: reachable across the internet, no account needed and someone has to visit a page.

Running an affected version on a site you manage?

A free audit tells you which of your Joomla and WordPress sites run an affected version, which are out of date, and which have not been backed up. No card required. If a site is already compromised, fix.mysites.guru is a single fixed fee per incident, usually resolved the same day.

This check is part of the mySites.guru Joomla vulnerability scanner, which reads every installed extension's version on each audit. Browse the rest of the Joomla vulnerability database.

Rules current as of 13 October 2026.