A problematic cross-site scripting (XSS) vulnerability has been identified in Responsive Blog versions 1.0. This flaw resides within the /search.php file and allows attackers to inject malicious scripts through manipulation of the 'keyword' parameter. The vulnerability is remotely exploitable and has been publicly disclosed. A patch is available in version 1.0.1.
Successful exploitation of CVE-2025-6353 allows an attacker to execute arbitrary JavaScript code within the context of a user's browser session on the affected Responsive Blog instance. This can lead to various malicious outcomes, including session hijacking, defacement of the website, redirection to phishing sites, and theft of sensitive user data like cookies and authentication tokens. The attacker could potentially gain control over user accounts and perform actions on their behalf. The impact is amplified if the blog is used for sensitive information or e-commerce transactions.
This vulnerability has been publicly disclosed, increasing the likelihood of exploitation. While the CVSS score is LOW, the ease of exploitation and potential impact on user data warrant immediate attention. No KEV listing or confirmed exploitation campaigns are currently known as of the publication date. Public proof-of-concept code is likely to emerge given the disclosure.
Exploit Status
EPSS
0.07% (22% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2025-6353 is to immediately upgrade Responsive Blog to version 1.0.1 or later, which contains the fix. If upgrading is not immediately feasible, consider implementing input validation and sanitization on the 'keyword' parameter within the /search.php file to prevent the injection of malicious scripts. Web application firewalls (WAFs) configured to detect and block XSS payloads targeting the /search.php endpoint can provide an additional layer of protection. Review and harden all other input fields to prevent similar vulnerabilities.
Update to a patched version or apply a security fix that filters user input in the /search.php file to prevent XSS code execution. Validating and escaping user input is crucial to prevent this type of vulnerability. If a patched version is not available, consider disabling the search functionality until a solution can be applied.
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CVE-2025-6353 is a cross-site scripting (XSS) vulnerability in Responsive Blog versions 1.0, affecting the /search.php file. Attackers can inject malicious scripts by manipulating the 'keyword' parameter.
If you are running Responsive Blog version 1.0, you are affected. Upgrade to version 1.0.1 or later to mitigate the vulnerability.
Upgrade Responsive Blog to version 1.0.1 or later. As a temporary workaround, implement input validation and sanitization on the 'keyword' parameter.
While no active exploitation campaigns are currently confirmed, the vulnerability has been publicly disclosed, increasing the risk of exploitation.
Refer to the Responsive Blog project's official website or repository for the latest security advisories and updates regarding CVE-2025-6353.
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