Stirling-Tools Stirling-PDF up to 1.0.x PDF File Parser pdf server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Stirling-Tools Stirling-PDF up to 1.0.x. The affected element is an unknown function of the file /api/v1/convert/markdown/pdf of the component PDF File Parser. Such manipulation leads to server-side request forgery. This vulnerability is referenced as CVE-2025-55161. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Stirling-Tools Stirling-PDF up to 1.0.x. It has been rated as critical. Affected by this issue is an unknown part of the file /api/v1/convert/markdown/pdf of the component PDF File Parser. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is handled as CVE-2025-55161 since 08/07/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 1.1.0 eliminates this vulnerability. Applying the patch 7d6b70871bad2a3ff810825f7382c49f55293943 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.6
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Stirling-PDF 1.1.0
Patch: 7d6b70871bad2a3ff810825f7382c49f55293943

Timelineinfo

08/07/2025 CVE reserved
08/12/2025 +5 days Advisory disclosed
08/12/2025 +0 days VulDB entry created
08/15/2025 +3 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-ff33-grr6-rmvp
Status: Confirmed

CVE: CVE-2025-55161 (🔒)
GCVE (CVE): GCVE-0-2025-55161
GCVE (VulDB): GCVE-100-319490

Entryinfo

Created: 08/12/2025 07:06
Updated: 08/15/2025 20:32
Changes: 08/12/2025 07:06 (68), 08/15/2025 20:32 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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