instantsoft icms2 up to 2.17.3 HTTPS Request package server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in instantsoft icms2 up to 2.17.3. It has been rated as critical. Affected is an unknown function of the component HTTPS Request Handler. The manipulation of the argument package leads to server-side request forgery. This vulnerability is traded as CVE-2025-59055. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in instantsoft icms2 up to 2.17.3. It has been rated as critical. This issue affects an unknown function of the component HTTPS Request Handler. The manipulation of the argument package 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. The summary by CVE is:

InstantCMS is a free and open source content management system. A blind Server-Side Request Forgery (SSRF) vulnerability in InstantCMS up to and including 2.17.3 allows authenticated remote attackers to make nay HTTP/HTTPS request via the package parameter. It is possible to make any HTTP/HTTPS request to any website in installer functionality. Due to such vulnerability it is possible to for example scan local network, call local services and its functions, conduct a DoS attack, and/or disclose a server's real IP if it's behind a reverse proxy. It is also possible to exhaust server resources by sending plethora of such requests. As of time of publication, no patched releases are available.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2025-59055 since 09/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. Technical details are known, but no exploit is available.

Applying the patch fa997bdab3429fad0c850966bfacbcb96d5ab041 is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔒

CNA Base Score: 4.7
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: Patch
Status: 🔍

0-Day Time: 🔒

Patch: fa997bdab3429fad0c850966bfacbcb96d5ab041

Timelineinfo

09/08/2025 CVE reserved
09/12/2025 +4 days Advisory disclosed
09/12/2025 +0 days VulDB entry created
09/24/2025 +12 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-79hh-mhvg-whrw
Status: Confirmed

CVE: CVE-2025-59055 (🔒)
GCVE (CVE): GCVE-0-2025-59055
GCVE (VulDB): GCVE-100-323729

Entryinfo

Created: 09/12/2025 07:53
Updated: 09/24/2025 16:26
Changes: 09/12/2025 07:53 (68), 09/24/2025 16:26 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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