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CVE-2025-23745: High Vulnerability in Tussendoor B.V. Call me Now

A high-severity Cross-Site Request Forgery (CSRF) vulnerability has been identified in the Tussendoor B.V. Call me Now plugin, allowing for stored XSS attacks. Timely remediation is crucial to mitigate risks associated with this vulnerability.

HIGHCVSS 7.1 · Published January 16, 2025

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On January 16, 2025, a high-severity Cross-Site Request Forgery (CSRF) vulnerability was disclosed for the Tussendoor B.V. Call me Now plugin, which is known to allow stored XSS attacks. This vulnerability affects versions from n/a through 1.0.5. Organizations utilizing this plugin should be aware of the significant risks posed by this vulnerability, especially given its potential for exploitation in real-world scenarios.

The CVSS score for this vulnerability is 7.1, categorizing it as high severity. This score indicates a substantial risk to organizations, as the vulnerability can be exploited via the network with low attack complexity and requires user interaction. The implications of this vulnerability can lead to unauthorized access and manipulation of sensitive data.

Currently, there is no public exploit confirmed, and the vulnerability is classified as deferred, meaning that organizations should still take proactive measures to protect their systems. Organizations should prioritize patching this vulnerability to prevent potential attacks that could exploit it.

Given the high severity of CVE-2025-23745, organizations should address this vulnerability in their priority patch cycle. Immediate action is necessary to mitigate the risks associated with possible exploitation.

Vulnerability Details

The vulnerability allows for Cross-Site Request Forgery (CSRF) within the Tussendoor B.V. Call me Now plugin, affecting versions from n/a through 1.0.5. The official CVE description states that it allows stored XSS. The vulnerability has a CVSS score of 7.1, indicating a high severity level due to its potential impact on confidentiality, integrity, and availability.

The vulnerability is classified under CWE-352, which pertains to Cross-Site Request Forgery. The attack vector is network-based, with low complexity, no privileges required, and user interaction needed.

This vulnerability's publication date is January 16, 2025, and its last modification date is April 23, 2026. Given the nature of the vulnerability, organizations should ensure they are running updated versions of affected products.

Technical Analysis

The root cause of this vulnerability stems from inadequate validation of user requests, leading to the possibility of CSRF attacks. Attackers can exploit this vulnerability to execute unauthorized commands on behalf of the user, which can result in stored XSS.

The attack vector is through the network, where attackers can leverage social engineering techniques to trick users into interacting with malicious links. The attack complexity is low, as it does not require any advanced skills or tools, making it accessible to a wide range of attackers.

This vulnerability requires no privileges to exploit, but it does necessitate user interaction, such as clicking a link sent by the attacker. The impacts on confidentiality, integrity, and availability are assessed as low, but the potential for stored XSS can lead to significant consequences if exploited.

Risk & Impact Analysis

The deployment of this vulnerability poses a considerable risk to organizations, particularly those relying on the Call me Now plugin. Attackers could exploit this vulnerability to gain unauthorized access to sensitive data, potentially compromising user accounts and leading to data leakage.

The blast radius for this vulnerability extends to all users of the affected plugin, making it critical for organizations to assess their exposure. The urgency for remediation is high, as the potential for exploitation could lead to severe repercussions for organizational security.

Organizations should prioritize remediation efforts based on the CVSS score and the potential impact of exploitation. Failure to address this vulnerability could result in significant operational disruptions and reputational damage.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

This vulnerability affects the Call me Now plugin from Tussendoor B.V., specifically versions up to and including 1.0.5. Organizations should ensure they are running patched versions to mitigate associated risks.

Mitigation & Remediation

To remediate this vulnerability, organizations should upgrade to the latest version of the Call me Now plugin. Regular updates and patch management practices are essential to protect against known vulnerabilities.

In addition, implementing security measures such as input validation and sanitization can help mitigate CSRF attacks. Organizations may also consider security testing services to validate the effectiveness of their remediation efforts through penetration testing.

Detection Guidance

Organizations should monitor logs for indicators of CSRF attacks, such as unusual user behavior or unexpected changes to user accounts. Behavioral anomalies and network signatures indicative of exploitation attempts should also be tracked.

AppSecure Threat Intelligence Insight

CVE-2025-23745 highlights the ongoing challenges organizations face in managing web application security. It serves as a reminder for security teams to adopt comprehensive security testing practices and remain vigilant against potential exploits.

By implementing proactive measures and maintaining an updated vulnerability management program, organizations can better defend against threats posed by vulnerabilities like this. For further insights on vulnerability management strategies, organizations may refer to vulnerability management best practices and the importance of penetration testing methodologies to validate security measures.

Finally, organizations should continuously assess their security posture and adapt to the evolving threat landscape by engaging in proactive security measures.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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