Nexter Blocks <= 5.0.1 — Payment Bypass to Authenticated (Contributor+) Stored CSS Injection
CVE-2026-17011Published · Updated Action summary
Affected: ≤5.0.1Update to 5.0.2 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?
Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder the-plus-addons-for-block-editor
- Affected≤ 5.0.1
- Patched in5.0.2
Update to 5.0.2 or newer.
You are affected if you run ≤ 5.0.1. Version 5.0.2 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 5.0.2, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Vaibhav Narkhede.
The Nexter Blocks plugin for WordPress is vulnerable to Payment Bypass in versions up to, and including, 5.0.1. This is due to a lack of server-side payment verification. This makes it possible for authenticated attackers, with contributor-level access and above, to bypass payments.
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 Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder
All 14| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Author+) Stored Cross-Site Scripting ≤5.0.1Update to 5.0.2 | CVE-2025-15678 | |
| Medium4.3 | Authenticated (Subscriber+) Path Traversal to Arbitrary CSS/JS File Deletion via 'plus_name' Parameter ≤5.0.0Update to 5.0.1 | CVE-2026-15420 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via 'commentIcon' Block Attribute ≤4.7.4Update to 4.7.5 | CVE-2026-6740 | |
| Medium5.3 | Unauthenticated Information Exposure ≤4.7.0Update to 4.7.1 | CVE-2026-39516 | |
| Medium4.3 | Authenticated (Subscriber+) Information Exposure ≤4.6.3Update to 4.6.4 | CVE-2026-24377 |
- Medium6.4Authenticated (Author+) Stored Cross-Site Scripting
≤5.0.1Update to 5.0.2
- Medium4.3Authenticated (Subscriber+) Path Traversal to Arbitrary CSS/JS File Deletion via 'plus_name' Parameter
≤5.0.0Update to 5.0.1
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via 'commentIcon' Block Attribute
≤4.7.4Update to 4.7.5
- Medium5.3Unauthenticated Information Exposure
≤4.7.0Update to 4.7.1
- Medium4.3Authenticated (Subscriber+) Information Exposure
≤4.6.3Update to 4.6.4
Timeline
CVE published
Severity medium, CVSS 4.3
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.