CVEFinder.io

CVE-2026-45245

⚠️ high
🔍 Scan for this CVE
Summary

Summarize prior to 0.15.1 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with

Description

Summarize prior to 0.15.1 contains a vulnerability in the hover summary feature that allows malicious pages to dispatch synthetic mouseover events over attacker-controlled links, causing the extension to make authenticated daemon requests using stored tokens without verifying event trustworthiness. Attackers can place local or private-network URLs behind hoverable links to route authenticated requests through the daemon, potentially accessing sensitive internal endpoints when users interact with attacker-controlled content.

CVSS Score
7.4
High
EPSS Score
0.0
Exploit Probability
Published Date
2026-05-18
First Seen: 2026-05-19
📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 57.0% of all 326,604 vulnerabilities in our database.

#140,444
Above average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: May 18, 2026
🔍 Exploitation Status
Poc
Proof-of-concept available
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Chia Min Jun Lennon
SSVC data provided by CISA
Last Modified 2026-05-19
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CVSS Vector 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/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
CWE IDs (Weakness Types)

📦 Affected Products 1

🔗 References 4

🔗 Related CVEs 4

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-45242 ⚠️ high 7.1 0.1 Summarize prior to 0.15.1 contains a path traversal vulnerability in the /v1/summarize daemon endpoint that allows authe... 2026-05-18
CVE-2026-45243 🔶 medium 6.1 0.0 Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge... 2026-05-18
CVE-2026-45244 🔶 medium 5.4 0.0 Summarize prior to 0.15.1 contains a missing authorization vulnerability that allows attackers to execute browser automa... 2026-05-18
CVE-2026-45246 🔶 medium 5.5 0.0 Summarize prior to 0.15.1 contains an insecure file permission vulnerability in the refresh-free configuration rewrite p... 2026-05-18
These CVEs affect the same products