CouchCMS 2.3 URL sanitize_url redirect

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in CouchCMS 2.3. The affected element is the function sanitize_url of the component URL Handler. The manipulation leads to redirect. This vulnerability is referenced as CVE-2023-41609. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in CouchCMS 2.3. This issue affects the function sanitize_url of the component URL Handler. The manipulation with an unknown input leads to a redirect vulnerability. Using CWE to declare the problem leads to CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. Impacted is integrity. The summary by CVE is:

An open redirect vulnerability in the sanitize_url() parameter of CouchCMS v2.3 allows attackers to redirect a victim user to an arbitrary web site via a crafted URL.

The weakness was published 09/12/2023 as 190. The advisory is shared at github.com. The identification of this vulnerability is CVE-2023-41609 since 08/30/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-46103). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

CouchCMS

Version

Website

Product: https://github.com/CouchCMS/CouchCMS/

CPE 2.3info

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CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/30/2023 🔍
09/12/2023 +13 days 🔍
09/12/2023 +0 days 🔍
02/01/2026 +873 days 🔍

Sourcesinfo

Product: github.com

Advisory: 190
Status: Confirmed

CVE: CVE-2023-41609 (🔍)
GCVE (CVE): GCVE-0-2023-41609
GCVE (VulDB): GCVE-100-239465
EUVD: 🔍

Entryinfo

Created: 09/12/2023 08:00
Updated: 02/01/2026 20:52
Changes: 09/12/2023 08:00 (38), 10/10/2023 09:59 (11), 02/01/2026 20:52 (15)
Complete: 🔍
Cache ID: 216::103

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