CVE-2023-22455

Discourse vulnerable to Cross-site Scripting through tag descriptions

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 3.0.0.beta16 on the `beta` and `tests-passed` branches, tag descriptions, which can be updated by moderators, can be used for cross-site scripting attacks. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. Versions 2.8.14 and 3.0.0.beta16 contain a patch.

We have discovered 1,134 live websites that are affected by CVE-2023-22455.

Contact us to get more info



Affected Software

Product  Discourse
Category Message Boards
Vulnerable Domains1,134 live websites (21.71% of Discourse install base)
Vulnerable Versions
  • from 0 before 2.8.14
  • from 2.9 before 3
Vulnerable Versions Count70 versions ( 73.68% of all versions)


Common Weakness Enumeration

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')



Details

  • Published - Jan 5, 2023
  • Updated - Aug 2, 2024

CVE-2023-22455 usage by Country

United States786 websites


Germany89 websites
France49 websites
Singapore35 websites
China26 websites
GB17 websites
Brazil11 websites
Netherlands11 websites
Switzerland10 websites

CVE-2023-22455 usage by TLD

.com481 websites
.org184 websites
.io57 websites
.net50 websites
.de25 websites
.co14 websites
.fr14 websites
.ru10 websites
.com.br10 websites
.cn9 websites

Vulnerable Versions

Vulnerable versions are highlighted in red

Websites affected by CVE-2023-22455

Top websites that are affected by CVE-2023-22455. Please click on the "Contact us" link to get more information.
DomainCountryRankContacts
*********.***.com France*,***
*********.*******.org United States**,***
******.********.com United States**,***
*********.***************.com United States**,***
*********.**********.de Germany***,***
*********.**********.io United States***,***
*****.******.com United States***,***
***********.net United States***,***
*********.****.ly United States***,***
*************.de United States***,***
See full domain list

FAQ

CVE-2023-22455 is Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Discourse
A total of 1,134 websites have been identified as vulnerable to CVE-2023-22455, discovered through global website indexing conducted by WebTechSurvey.
Discourse is susceptible to CVE-2023-22455 vulnerability.
Discourse versions before 3 are vulnerable to CVE-2023-22455.
Version 3 of Discourse addresses the CVE-2023-22455 security vulnerability.