CVE-2026-61901 in Hikashop Plugin
Summary
by MITRE • 07/20/2026
The Joomla extension Hikashop is vulnerable to an open redirect.
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Analysis
by VulDB Data Team • 07/20/2026
The vulnerability in the Joomla extension Hikashop represents a critical open redirect flaw that allows attackers to manipulate user navigation through maliciously crafted URLs. This type of vulnerability occurs when the application fails to properly validate or sanitize redirect parameters, enabling unauthorized redirection to external domains. The technical implementation likely involves insufficient input validation on redirect URLs within the extension's routing mechanisms, which can be exploited by appending malicious redirect parameters to legitimate Hikashop URLs. The flaw resides in the extension's handling of user-supplied redirect destinations without proper sanitization or domain verification processes.
Open redirect vulnerabilities fall under the CWE-601 classification, specifically targeting the weakness of allowing redirects to untrusted domains without proper validation. This weakness directly maps to the ATT&CK technique T1566.001 which involves phishing with malicious links and social engineering attacks that leverage web redirections to direct users to malicious sites. The operational impact extends beyond simple navigation manipulation as attackers can use this vulnerability to craft convincing phishing campaigns, redirect users to malware distribution sites, or harvest credentials through credential harvesting pages. Users who click on manipulated links may unknowingly navigate to attacker-controlled domains while believing they are visiting legitimate Hikashop resources.
The exploitation typically requires minimal technical skill and can be automated through various attack vectors including email campaigns, compromised websites, or social media platforms. Attackers can leverage the vulnerability by crafting URLs that appear legitimate but redirect users to malicious destinations such as credential harvesters, malware download sites, or phishing pages designed to capture sensitive user information. The vulnerability affects all versions of Hikashop that improperly handle redirect parameters without validating against a whitelist of trusted domains. This creates a significant risk for e-commerce environments where user trust is paramount and sensitive financial transactions occur.
Mitigation strategies should focus on implementing strict input validation mechanisms that enforce domain whitelisting for redirect destinations, particularly for any URLs that contain user-supplied parameters. The recommended approach includes maintaining an allowlist of approved redirect domains and validating all redirect targets against this list before processing the redirection request. Security patches should address the root cause by ensuring proper URL sanitization and implementing strict validation routines. Organizations should also consider implementing web application firewalls with rules specifically designed to detect and block suspicious redirect patterns, as well as conducting regular security assessments to identify similar vulnerabilities in other components of their Joomla installations. The fix should be comprehensive and include both immediate patching measures and long-term architectural improvements to prevent similar issues in future development cycles.