jeremyckahn Chitchatter PostMessage Bootstrap.tsx isConfigMessageEvent improper authentication
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Reports 1
1 outlet mention it. Reports are not confirmation; each links to its source.
Description
A vulnerability was found in jeremyckahn Chitchatter up to f82538633813c854a81a8b2112a2f6ba17b39cbc. The affected element is the function isConfigMessageEvent of the file src/Bootstrap.tsx of the component PostMessage Handler. Performing a manipulation of the argument parentDomain results in improper authentication. Remote exploitation of the attack is possible. The exploit has been made public and could be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The patch is named e3babb5cd83bfe3b99f1d82358ac5c1ea8e8a688. It is recommended to apply a patch to fix this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Text from CVE List
Affected versions 1
- Chitchatteraffected: f82538633813c854a81a8b2112a2f6ba17b39cbcCVE List
References 8
- github.com/jeremyckahn/chitchatter/pull/635Fixvia CVE List
- github.com/jeremyckahn/chitchatter/commit/e3babb5cd83bfe3b99f1d82358ac5c1ea8e8a688Fixvia CVE List
- vuldb.com/cve/CVE-2026-118129Advisoryvia CVE List
- vuldb.com/submit/1015027Advisoryvia CVE List
- github.com/0xGenesi/CVE/blob/main/Chitchatter_SDK_postMessage_Identity_Key_Injection.mdExploitvia CVE List
- vuldb.com/vuln/427456Referencevia CVE List
- vuldb.com/vuln/427456/ctiReferencevia CVE List
- github.com/jeremyckahn/chitchatter/Referencevia CVE List