Apryse HTML2PDF SDK up to 11.6.0 InsertFromHtmlString server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apryse HTML2PDF SDK up to 11.6.0. Affected is the function InsertFromHtmlString. Executing a manipulation can lead to server-side request forgery. This vulnerability is tracked as CVE-2025-56589. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Apryse HTML2PDF SDK up to 11.6.0. This vulnerability affects the function InsertFromHtmlString. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality. CVE summarizes:

A Local File Inclusion (LFI) and a Server-Side Request Forgery (SSRF) vulnerability was found in the InsertFromHtmlString() function of the Apryse HTML2PDF SDK thru 11.6.0. These vulnerabilities could allow an attacker to read local files on the server or make arbitrary HTTP requests to internal or external services. Both vulnerabilities could lead to the disclosure of sensitive data or potential system takeover.

This vulnerability was named CVE-2025-56589 since 08/17/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/22/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/17/2025 CVE reserved
01/22/2026 +158 days Advisory disclosed
01/22/2026 +0 days VulDB entry created
01/22/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2025-56589 (🔒)
GCVE (CVE): GCVE-0-2025-56589
GCVE (VulDB): GCVE-100-342352

Entryinfo

Created: 01/22/2026 19:03
Changes: 01/22/2026 19:03 (52)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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