Stored cross-site scripting in Kadence Blocks WordPress plugin
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Liquid Web and StellarWP's Gutenberg Blocks by Kadence Blocks plugin, up to and including 3.7.12, does not neutralize input during web page generation (CWE-79), which enables stored cross-site scripting. An attacker with low privileges can store script that runs in another user's browser when that user interacts with the affected page.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks kadence-blocks allows Stored XSS.This issue affects Gutenberg Blocks by Kadence Blocks: from n/a through 3.7.12.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Liquid Web / StellarWP | Gutenberg Blocks by Kadence Blocks | up to 3.7.12 | — | No fix listed | CNA |
- Gutenberg Blocks by Kadence Blocks VendorLiquid Web / StellarWP Affected up to 3.7.12 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for Gutenberg Blocks by Kadence Blocks.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-08 Threatist record created from CVE-2026-105890
- 2026-10-08 Alias added: GHSA-297g-4f9h-4652
More Liquid Web / StellarWP vulnerabilities
- TI-2026-56689 WordPress GiveWP plugin <= 4.16.7.1 - Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 10.0
- TI-2026-36681 WordPress The Events Calendar plugin 6.15.12-6.16.2 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3
- TI-2026-69253 PHP object injection in WordPress The Events Calendar plugin CVSS 3.1CRITICAL 9.8
- TI-2026-67823 Object injection in WordPress Advanced Post Manager plugin CVSS 3.1CRITICAL 9.8
- TI-2026-63964 WordPress GiveWP plugin <= 4.16.9 - Broken Authentication vulnerability CVSS 3.1CRITICAL 9.1
- TI-2026-83629 SQL injection in WordPress BookIt plugin CVSS 3.1CRITICAL 9.3
Sources
- CVE-2026-105890 · CVE Program
- CVE-2026-105890 · NVD
- FIRST EPSS
- GHSA-297g-4f9h-4652 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences