WooCommerce Square <= 3.8.1 — Missing Authorization via multiple AJAX actions
CVE-2023-35876Published · Updated Action summary
Affected: ≤3.8.1Update to 3.8.2 or newer
All remediation steps- Severity
- Medium4.3
- CVSS
- 4.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
WooCommerce Square woocommerce-square
- Affected≤ 3.8.1
- Patched in3.8.2
Update to 3.8.2 or newer.
You are affected if you run ≤ 3.8.1. Version 3.8.2 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WooCommerce Square.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 3.8.2, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch WooCommerce Square to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Rafie Muhammad.
The WooCommerce Square plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on multiple AJAX functions in versions up to, and including, 3.8.1. This makes it possible for authenticated attackers with contributor-level privileges to modify other user's orders.
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 WooCommerce Square
All 2| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.5 | Unauthenticated Insecure Direct Object Reference to Sensitive Information Exposure in get_token_by_id <5.1.2Update to 4.2.3 or 4.3.2 or 4.4.2 or 4.5.2 or 4.6.4 or 4.7.4 or 4.8.8 or 4.9.9 or 5.0.1 or 5.1.2 | CVE-2025-13457 |
- High7.5Unauthenticated Insecure Direct Object Reference to Sensitive Information Exposure in get_token_by_id
<5.1.2Update to 4.2.3 or 4.3.2 or 4.4.2 or 4.5.2 or 4.6.4 or 4.7.4 or 4.8.8 or 4.9.9 or 5.0.1 or 5.1.2
Timeline
CVE published
Severity medium, CVSS 4.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. 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.