Summarize < 0.15.1 Browser Extension Missing Authorization via Content Script
Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read, create, overwrite, or delete automation artifacts scoped to the affected tab without proper authorization checks.
CVE-2026-45243
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-45243
summarize
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/steipete/summarize",
"vendor": "steipete",
"product": "summarize",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.15.1",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "357544063af535bd574752622f9eb94be33ee5fd",
"versionType": "git"
}
],
"packageURL": "pkg:npm/%40steipete/summarize",
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-45243
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #12724 · Revision 1
- Added to Heist Feed
- Publisher date