Lucene search
+L

CVE-2026-0894 Content Blocks (Custom Post Widget) <= 3.3.9 - Authenticated (Author+) Stored Cross-Site Scripting via content_block Shortcode

🗓️ 18 Apr 2026 09:26:52Reported by WordfenceType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

Authenticated contributors can cause stored XSS in Content Blocks up to 3.3.9 via content_block.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-0894
18 Apr 202609:26
–attackerkb
circl
Circl
CVE-2026-0894
18 Apr 202621:18
–circl
cnnvd
CNNVD
WordPress plugin Content Blocks (Custom Post Widget) 安全漏洞
18 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-0894
18 Apr 202609:26
–cve
euvd
EUVD
EUVD-2026-23670
18 Apr 202609:26
–euvd
nvd
NVD
CVE-2026-0894
18 Apr 202610:16
–nvd
patchstack
Patchstack
WordPress Content Blocks (Custom Post Widget) plugin <= 3.3.9 - Authenticated (Author+) Stored Cross-Site Scripting vulnerability
17 Apr 202621:21
–patchstack
ptsecurity
Positive Technologies
PT-2026-33600
18 Apr 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-0894: Improper Neutralization of Input During Web Page Generation
18 Apr 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-0894
20 Apr 202619:22
–redhatcve
Rows per page
[
  {
    "vendor": "vanderwijk",
    "product": "Content Blocks (Custom Post Widget)",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "3.3.9",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation