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CVE-2026-118071VulnerabilityPublished

The Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an

Source GCVE Database

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Authoritative record:CVE-2026-118071· High

Not known to be exploited : upgrade to 6.4.2 soon.

Data as of 30 Oct 2026, 07:02 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 6.4.2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Joinchat (WordPress plugin) to 6.4.2.

Affected software

ProductAffectedFixed in
JoinchatAffected
  • >=6.3.2 <6.4.2
Fixed in
  • 6.4.2

AI-suggested

Upgrade the Joinchat WordPress plugin to version 6.4.2 or later, where this vulnerability is fixed. No other mitigation is specified or required if the plugin is updated.

Description

The Joinchat WordPress plugin versions prior to 6.4.2 contain a vulnerability where the message of its button block is not properly escaped before being output in an HTML attribute on the front end. This flaw allows users with Author role or higher to execute stored cross-site scripting (XSS) attacks against visitors of the post, including administrators.

References

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