Cross-site scripting in WordPress The Events Calendar plugin
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-80.
Summary
The Events Calendar plugin from Liquid Web and StellarWP is affected in versions through 6.18.3. Improper neutralization of script-related HTML tags (CWE-80) lets injected script reach web pages. An unauthenticated remote attacker can inject script that runs in a visitor's browser.
Written with Claude Haiku 5.5 from the sources below · 2026-11-07
Description from the CNA
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Liquid Web / StellarWP The Events Calendar the-events-calendar allows Code Injection.This issue affects The Events Calendar: from n/a through 6.18.3.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Liquid Web / StellarWP | The Events Calendar | up to 6.18.3 | — | No fix listed | CNA |
- The Events Calendar VendorLiquid Web / StellarWP Affected up to 6.18.3 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for The Events Calendar.
Written with Claude Haiku 5.5 from the sources below · 2026-11-07
Timeline
- 2026-11-07 Threatist record created from CVE-2026-123469
- 2026-11-07 Alias added: GHSA-6648-57m9-x39h
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-2026-123469 · CVE Program
- CVE-2026-123469 · NVD
- FIRST EPSS
- GHSA-6648-57m9-x39h · 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