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CVE-2025-24545: High Vulnerability in bannersky BSK Forms Validation

A high-severity Cross-site Scripting (XSS) vulnerability exists in the bannersky BSK Forms Validation plugin, allowing attackers to exploit the application. Immediate action is needed to mitigate risks associated with this vulnerability.

HIGHCVSS 7.1 · Published February 3, 2025

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The vulnerability identified as CVE-2025-24545 pertains to an improper neutralization of input during web page generation, commonly referred to as Cross-site Scripting (XSS). This vulnerability affects the bannersky BSK Forms Validation plugin, specifically the version up to and including 1.7. With a CVSS score of 7.1, this high-severity vulnerability poses a significant risk to organizations utilizing this plugin.

Risk to organizations includes potential unauthorized access and manipulation of user data, as attackers may leverage this vulnerability to execute arbitrary scripts in the context of unsuspecting users. The exploitation of this vulnerability can lead to serious consequences, including data theft and compromised user accounts.

Currently, the exploitation status of this vulnerability is marked as deferred, indicating that it may not be actively exploited in the wild. However, organizations should still prioritize remediation efforts to prevent any potential risks associated with its exploitation.

Given the severity of this vulnerability, organizations should prioritize patching immediately. Regular security assessments and monitoring should also be conducted to identify and mitigate similar vulnerabilities.

Vulnerability Details

The CVE-2025-24545 vulnerability is categorized as a Cross-site Scripting (XSS) vulnerability, which allows attackers to inject malicious scripts into web pages viewed by other users. It has been assigned a CVSS score of 7.1, indicating high severity. The vulnerability affects the BSK Forms Validation plugin for WordPress, specifically versions n/a through 1.7.

The vulnerability was published on February 3, 2025, and is classified under CWE-79, which pertains to improper neutralization of input during web page generation. Organizations using this plugin should evaluate their current implementations to ensure they are not vulnerable.

Technical Analysis

The root cause of CVE-2025-24545 lies in the improper handling of user input in the BSK Forms Validation plugin. The attack vector for this vulnerability is network-based, requiring low complexity to exploit due to the lack of privileges needed and the requirement for user interaction. The confidentiality, integrity, and availability impacts are classified as low.

Risk & Impact Analysis

The potential impact of CVE-2025-24545 is significant, particularly for organizations that heavily rely on the affected BSK Forms Validation plugin. Attackers may exploit this vulnerability to execute scripts in the context of users, leading to data theft, account hijacking, or further network compromise. Organizations should assess the risk this vulnerability poses to their operations and prioritize its remediation.

Given the CVSS score of 7.1, organizations should address this vulnerability in their priority patch cycle to mitigate any risk of exploitation. The low EPSS score of 0.00041 indicates that while the immediate risk may be low, the potential for exploitation still exists.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The BSK Forms Validation plugin is affected by this vulnerability in all versions prior to vendor patch. Specifically, the vulnerability impacts versions n/a through 1.7.

Mitigation & Remediation

Organizations should prioritize the application of patches to the BSK Forms Validation plugin to address this vulnerability. If a patch is unavailable, consider implementing workarounds such as sanitizing user inputs and employing security controls that limit script execution. Regular monitoring and security assessments can help identify similar vulnerabilities.

For comprehensive security practices, organizations may want to explore continuous penetration testing to mitigate risks associated with similar vulnerabilities.

Detection Guidance

Organizations should monitor for unusual behavior within their applications, including unexpected script execution or changes to user input handling. Log indicators related to user interactions with the forms can be leveraged to identify potential exploitation attempts.

AppSecure Threat Intelligence Insight

The CVE-2025-24545 vulnerability highlights the ongoing challenges in web application security, particularly around input validation. Security teams should learn from this incident to enhance their defenses against similar vulnerabilities. For further insights into securing web applications, organizations can benefit from exploring best practices in web application penetration testing and conducting regular reviews of their security posture.

Additionally, organizations should familiarize themselves with the latest trends in vulnerability management, which can be explored in our article on vulnerability management programs to ensure they are prepared for future threats.

Lastly, understanding how to evaluate the effectiveness of security measures can significantly enhance an organization’s preparedness against attacks. For this purpose, reviewing our guide on penetration testing methodology is recommended.

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

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