Joinchat 6.3.2 - 6.4.1 - Author+ Stored XSS via Button Block Message Attribute

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-118071
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-30 06:16:46 UTC
Updated2026-10-30 06:16:46 UTC
DescriptionThe Joinchat WordPress plugin before 6.4.2 does not escape the message of its button block before outputting it in an HTML attribute on the front end, which could allow users with the Author role and above to perform Stored Cross-Site Scripting attacks against any visitor of the post, including administrators.

Risk And Classification

Problem Types: CWE-79 Cross-Site Scripting (XSS)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Joinchat affected 6.3.2 6.4.2 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/6ac942c3-d39f-4431-97c4-ba9d8c87df21 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Qi Qin (en)

CNA: WPScan (en)

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