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Tool Directory

CVE-2026-41653

HighPublished

BentoPDF: Stored XSS via Markdown Editor Leading to Persistent File Exfiltration

Published: May 7, 2026
Updated: May 7, 2026
Assigning CNA: GitHub_M
Evidence observed: Aug 25, 2026

Primary CVSS

7.0/ 10High

nvd · CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:N/SC:N/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

EPSS probability estimate

0.4%

Low · next 30 days

Percentile: 29.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

BentoPDF is a client-side PDF toolkit that is self hostable. Prior to version 2.8.3, a cross-site scripting vulnerability was identified in BentoPD. An attacker may be able to execute arbitrary JavaScript in certain circumstances in Markdown to PDF Tool. This issue has been patched in version 2.8.3.

Sources

CVE-2026-41653Exploit
Proof-of-concept exploit for CVE-2026-41653, a stored XSS in BentoPDF that enables silent file exfiltration and WASM supply-chain hijacking.

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