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WordPress The Events Calendar plugin <= 6.18.3 - Content Injection vulnerability

5.3MediumCNA
Exploited
No known exploitation
Fix
No fix listed
Who is exposed
Not reported
Published
Last modified
0.32% · 25th percentile
27/100 · provisional
None on Exploit-DB, Metasploit or GitHub

Summary

The Events Calendar plugin for WordPress contains a content injection (cross-site scripting) flaw that lets an attacker inject script-related HTML into pages. It can be reached remotely, without logging in, and it does not require any action from a user.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

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.

cve.now Index

27Pcve.now Index 27 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure17/25No login or user action needed per the CVSS vector, reachable over the network without a login · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity5.3/10CVSS 5.3
  • No patch5/5No patch listed yet

What would change the score

  • Would score about 72 if added to CISA KEV
  • Would score about 67 if CISA's SSVC rates exploitation active
  • Would score about 32 if advisories confirm default setups are exposed

Timeline

  1. CVE published
  2. Record last updated
  3. First seen by cve.now

Affected versions

  • the-events-calendar

    through 6.18.3

Evidence 1

  1. Link

Corrections

None so far.

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Questions about CVE-2026-123469

Is CVE-2026-123469 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-123469?

the-events-calendar: through 6.18.3.Source: cve.now feed data