CVE-2026-118129 (GCVE-0-2026-118129)

Vulnerability from cvelistv5 – Published: 2026-10-27 23:15 – Updated: 2026-10-27 23:15 X_Open Source
VLAI
Title
jeremyckahn Chitchatter PostMessage Bootstrap.tsx isConfigMessageEvent improper authentication
Summary
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.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
CWE
  • CWE-287 - Improper Authentication
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3853 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
jeremyckahn Chitchatter Affected: f82538633813c854a81a8b2112a2f6ba17b39cbc
    cpe:2.3:a:jeremyckahn:chitchatter:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
chenhuanlin (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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}



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