Premium Blocks – Gutenberg Blocks for WordPress <= 2.1.42 — Authenticated (Contributor+) Stored Cross-Site Scripting
CVE-2024-56245Published · Updated Action summary
Affected: ≤2.1.42Update to 2.1.43 or newer
All remediation steps- Severity
- Medium6.4
- CVSS
- 6.4CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/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:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-79 Cross-Site Scripting
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Premium Blocks – Gutenberg Blocks, Patterns & Templates premium-blocks-for-gutenberg
- Affected≤ 2.1.42
- Patched in2.1.43
Update to 2.1.43 or newer.
You are affected if you run ≤ 2.1.42. Version 2.1.43 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Premium Blocks – Gutenberg Blocks, Patterns & Templates.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 2.1.43, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Premium Blocks – Gutenberg Blocks, Patterns & Templates to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to João Pedro Soares de Alcântara.
The Premium Blocks – Gutenberg Blocks for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.1.42 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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 Premium Blocks – Gutenberg Blocks, Patterns & Templates
All 6| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Missing Authorization ≤2.3.18Update to 2.3.19 | CVE-2026-123474 | |
| Medium5.3 | Missing Authorization ≤2.3.18Update to 2.3.19 | CVE-2026-123466 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤2.3.17Update to 2.3.18 | CVE-2026-94118 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤2.1.33Update to 2.1.34 | CVE-2024-47368 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting ≤2.1.27Update to 2.1.28 | CVE-2024-37519 |
- Medium5.3Missing Authorization
≤2.3.18Update to 2.3.19
- Medium5.3Missing Authorization
≤2.3.18Update to 2.3.19
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.3.17Update to 2.3.18
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.1.33Update to 2.1.34
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.1.27Update to 2.1.28
Same weakness (Cross-Site Scripting)
All Cross-Site Scripting| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
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Timeline
CVE published
Severity medium, CVSS 6.4
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.