CVE-2026-57363

WordPress ChatBot plugin <= 8.3.7 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in QuantumCloud ChatBot chatbot allows Stored XSS.This issue affects ChatBot: from n/a through <= 8.3.7.


We have discovered 800 live websites that are affected by CVE-2026-57363.

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Affected Software

Product  Chatbot
Category Wordpress Plugins
Vulnerable Domains800 live websites (89% of Chatbot install base)
Vulnerable Versions
  • from 0 through 8.3.7
Vulnerable Versions Count137 versions ( 91% of all versions)



Details

  • Published - Jul 13, 2026
  • Updated - Jul 13, 2026

Credits

  • daroo | Patchstack Bug Bounty Program (finder)

Website Distribution by Country

Number of websites using CVE-2026-57363
United States256 websites



India63 websites
Germany48 websites
GB40 websites
Italy29 websites
South Africa27 websites
France26 websites
Canada21 websites
Cyprus19 websites
Australia18 websites

Website Distribution by TLD

Number of websites using CVE-2026-57363
.com384 websites
.org35 websites
.net23 websites
.com.au18 websites
.it17 websites
.co.uk16 websites
.de13 websites
.ca12 websites
.fr12 websites
.com.br10 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2026-57363

Top websites that are affected by CVE-2026-57363. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*********.****.br Brazil**,***
****.***.mt Malta**,***
************.org United States**,***
****.***.my Malaysia***,***
***.international Belgium***,***
************.com United States***,***
***.**.ke Kenya***,***
****.info GB***,***
***********.**.za South Africa*,***,***
*****.**********.com United States*,***,***
See full domain list

FAQ

A total of 800 websites have been identified as vulnerable to CVE-2026-57363, based on global website indexing conducted by WebTechSurvey.
The Chatbot is affected by the CVE-2026-57363 vulnerability.
Chatbot versions up to and including 8.3.7 are vulnerable to CVE-2026-57363.