WordPress plugin
Welcart e-Commerce <= 1.8.2 — Authentication Bypass
CVE-2016-4828Published · Updated Action summary
Affected: ≤1.8.2Update to 1.8.3 or newer
All remediation steps- Severity
- Critical9.8
- CVSS
- 9.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- 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
- Affected≤ 1.8.2
- Patched in1.8.3
Update to 1.8.3 or newer.
You are affected if you run ≤ 1.8.2. Version 1.8.3 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
- Update to version 1.8.3, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Welcart e-Commerce to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Gen Sato.
The Collne Welcart e-Commerce plugin before 1.8.3 for WordPress mishandles sessions, which allows remote attackers to obtain access by leveraging knowledge of the e-mail address associated with an account.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Welcart e-Commerce
All 65| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤2.12.6Update to 2.12.7 | CVE-2026-119505 | |
| Medium6.5 | Unauthenticated Arbitrary Shortcode Execution ≤2.12.6Update to 2.12.7 | CVE-2026-119503 | |
| Medium5.3 | Account Takeover via Insecure Direct Object Reference to Unauthenticated User Input via 'member[ID]' Parameter ≤2.12.5Update to 2.12.6 | CVE-2026-119166 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via 'gid' Parameter ≤2.12.5Update to 2.12.6 | CVE-2026-118070 | |
| Medium4.3 | Missing Authorization <2.12.6Update to 2.12.6 | CVE-2026-111032 |
- High7.2Unauthenticated Stored Cross-Site Scripting
≤2.12.6Update to 2.12.7
- Medium6.5Unauthenticated Arbitrary Shortcode Execution
≤2.12.6Update to 2.12.7
- Medium5.3Account Takeover via Insecure Direct Object Reference to Unauthenticated User Input via 'member[ID]' Parameter
≤2.12.5Update to 2.12.6
- High7.2Unauthenticated Stored Cross-Site Scripting via 'gid' Parameter
≤2.12.5Update to 2.12.6
- Medium4.3Missing Authorization
<2.12.6Update to 2.12.6
Timeline
CVE published
Severity critical, CVSS 9.8
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.