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Welcart e-Commerce <= 2.12.5 — Account Takeover via Insecure Direct Object Reference to Unauthenticated User Input via 'member[ID]' Parameter

CVE-2026-119166Published · Updated

Action summary

Affected: ≤2.12.5Update to 2.12.6 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-287 Improper Authentication
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Welcart e-Commerce usc-e-shop

  1. Affected≤ 2.12.5
  2. Patched in2.12.6

Update to 2.12.6 or newer.

You are affected if you run ≤ 2.12.5. Version 2.12.6 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Welcart e-Commerce.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 2.12.6, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Welcart e-Commerce to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to R3D.

The Welcart e-Commerce plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.12.5 via the 'member[ID]' parameter due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to overwrite any existing Welcart shop-member account's email address and password by supplying that member's numeric ID, then authenticate as that member to achieve full account takeover. The only authentication barrier is a wp_verify_nonce() check against a nonce printed to every unauthenticated visitor on the auto-published New Enrollment Form, meaning no existing account, no WordPress login, and no non-default configuration is required to exploit this vulnerability.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Welcart e-Commerce

All 65
More vulnerabilities in Welcart e-Commerce
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting
≤2.12.6Update to 2.12.7
CVE-2026-119505
Medium6.5Unauthenticated Arbitrary Shortcode Execution
≤2.12.6Update to 2.12.7
CVE-2026-119503
High7.2Unauthenticated Stored Cross-Site Scripting via 'gid' Parameter
≤2.12.5Update to 2.12.6
CVE-2026-118070
Medium4.3Missing Authorization
<2.12.6Update to 2.12.6
CVE-2026-111032
Medium4.9Authenticated (Editor+) SQL Injection
<2.12.6Update to 2.12.6
CVE-2026-111027

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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