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TI-2026-30171 Aliases CVE-2026-41653

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

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00356 29th percentileScored 2026-11-07
Fix Fixed bentopdf (alam00000): 2.8.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
alam00000bentopdfbefore 2.8.32.8.3Patch availableCNA
  • bentopdf Vendoralam00000 Affected before 2.8.3 Fixed in 2.8.3 Patch available CNA

Remediation

  • Fix · CNA bentopdf (alam00000) Fixed in 2.8.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-41653

References

  • TI-2026-54083 BentoPDF: SSRF in cors-proxy-worker.js via DNS-based hostname allowlist bypass CVSS 3.1HIGH 8.6
  • TI-2026-45275 BentoPDF: Workflow Import Allows Unvalidated TSA URL Leading to PDF Hash Exfiltration via RFC 3161 Requests CVSS 3.1LOW 3.4
  • TI-2026-74400 Server-side request forgery in BentoPDF CORS proxy via DNS rebinding CVSS 3.1MEDIUM 6.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences