CVE-2025-55161
Last modified
CVE-2025-55161 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, when using the /api/v1/convert/markdown/pdf endpoint to convert Markdown to PDF, the backend calls a third-party tool to process it and includes a sanitizer for security sanitization which can be bypassed and result in SSRF. EPSS estimates a 1.86% chance of exploitation in the next 30 days.
Description
Stirling-PDF is a locally hosted web application that performs various operations on PDF files. Prior to version 1.1.0, when using the /api/v1/convert/markdown/pdf endpoint to convert Markdown to PDF, the backend calls a third-party tool to process it and includes a sanitizer for security sanitization which can be bypassed and result in SSRF. This issue has been patched in version 1.1.0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Stirlingpdf | Stirling Pdf | < 1.1.0 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-55161?
How severe is CVE-2025-55161?
How do I fix CVE-2025-55161?
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-55156pyLoad is the free and open-source Download Manager written …7.8
- CVE-2025-55157Vim is an open source, command line text editor. In versions…8.8
- CVE-2025-55158Vim is an open source, command line text editor. In versions…8.8
- CVE-2025-55159slab is a pre-allocated storage for a uniform data type. In …5.1
- CVE-2025-5516A vulnerability, which was classified as problematic, was fo…4.8
- CVE-2025-55160ImageMagick is free and open-source software used for editin…5.3
- CVE-2025-55162Envoy is an open source L7 proxy and communication bus desig…8.8
- CVE-2025-55163Netty is an asynchronous, event-driven network application f…7.5
- CVE-2025-55164content-security-policy-parser parses content security polic…8.8
- CVE-2025-55165Autocaliweb is a web app that offers an interface for browsi…8.2
- CVE-2025-55166savg-sanitizer is a PHP SVG/XML sanitizer. Prior to version …5.1
- CVE-2025-55167WeGIA is an open source web manager with a focus on the Port…9.8
Are you affected by CVE-2025-55161?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST