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NVD Vulnerability Details :
CVE-2026-45243
Analyzed
More InfoOfficial Page
Source-disclosure@vulncheck.com
View Known Exploited Vulnerability (KEV) details
Published At-18 May, 2026 | 19:16
Updated At-19 May, 2026 | 01:34

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.3MEDIUM
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
Primary3.16.1MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
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
Type: Primary
Version: 3.1
Base score: 6.1
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CPE Matches

steipete
steipete
>>summarize>>Versions before 0.15.1(exclusive)
cpe:2.3:a:steipete:summarize:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-862Primarydisclosure@vulncheck.com
CWE ID: CWE-862
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/steipete/summarize/commit/357544063af535bd574752622f9eb94be33ee5fddisclosure@vulncheck.com
Patch
https://github.com/steipete/summarize/pull/222disclosure@vulncheck.com
Exploit
Issue Tracking
Patch
https://github.com/steipete/summarize/releases/tag/v0.15.2disclosure@vulncheck.com
Release Notes
https://www.vulncheck.com/advisories/summarize-browser-extension-missing-authorization-via-content-scriptdisclosure@vulncheck.com
Third Party Advisory
Hyperlink: https://github.com/steipete/summarize/commit/357544063af535bd574752622f9eb94be33ee5fd
Source: disclosure@vulncheck.com
Resource:
Patch
Hyperlink: https://github.com/steipete/summarize/pull/222
Source: disclosure@vulncheck.com
Resource:
Exploit
Issue Tracking
Patch
Hyperlink: https://github.com/steipete/summarize/releases/tag/v0.15.2
Source: disclosure@vulncheck.com
Resource:
Release Notes
Hyperlink: https://www.vulncheck.com/advisories/summarize-browser-extension-missing-authorization-via-content-script
Source: disclosure@vulncheck.com
Resource:
Third Party Advisory
Change History
0Changes found

Details not found