CVEvulnerability
CVE-2026-45243
5.3 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-05-18
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.3 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-862
Description
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.
Affected configurations
• steipete summarize (< 0.15.1)
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- https://github.com/steipete/summarize/commit/357544063af535bd574752622f9eb94be33ee5fd Patch
- https://github.com/steipete/summarize/pull/222 Exploit, Issue Tracking, Patch
- https://github.com/steipete/summarize/releases/tag/v0.15.2 Release Notes
- https://www.vulncheck.com/advisories/summarize-browser-extension-missing-authorization-via-content-script Third Party Advisory