CVE-2026-7170 in Cloud Web application
Summary
by MITRE • 09/28/2026
Stored Cross-Site Scripting (XSS) in TPVEnlanube affecting the following endpoint and parameter:
* CVE-2026-7170: parameter 'vendor_store_name' in the endpoint '/administrator/index.php?pshop_mode=admin&page=store.store_add&option=com_virtuemart&vendor_id=[ID]'.
Successful exploitation of this vulnerability could allow an authenticated attacker to inject malicious code and execute it in users' browsers without their consent.
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Analysis
by VulDB Data Team • 09/28/2026
The identified vulnerability, cataloged as CVE-2026-7170, represents a critical Stored Cross-Site Scripting flaw within the TPVEnlanube software ecosystem, specifically targeting the administrative interface of VirtueMart components. This security defect resides in the vendor_store_name parameter during the process of adding or modifying store configurations via the endpoint /administrator/index.php with pshop_mode set to admin and page set to store.store_add. The core technical flaw stems from insufficient input validation and improper sanitization mechanisms when processing user-supplied data for this specific field. Unlike reflected XSS, where malicious scripts are executed immediately within a victim's browser upon visiting a crafted link, stored XSS involves the persistence of the injected payload on the target server. In this context, an attacker who has obtained valid administrative credentials can inject JavaScript code into the vendor store name field. This data is then saved to the database and subsequently rendered by the web application without proper encoding or escaping when displayed in other parts of the administration panel or potentially on public-facing pages if such rendering logic exists within the component's output handlers.
The operational impact of this vulnerability is severe due to its persistent nature and the high privilege level required for exploitation, which paradoxically increases the blast radius once achieved. An authenticated attacker can leverage this flaw to execute arbitrary JavaScript in the context of any user who views the compromised store information. This typically includes other administrators or users with access to the same vendor records. The consequences extend beyond simple defacement; attackers can steal session cookies and authentication tokens, leading to complete account takeover. Furthermore, they can perform actions on behalf of victims, such as modifying configuration settings, creating new administrative accounts, or exfiltrating sensitive business data stored within the VirtueMart environment. This effectively compromises the integrity and confidentiality of the entire e-commerce platform managed by TPVEnlanube.
From a classification perspective, this vulnerability aligns with CWE-79: Improper Neutralization of Input During Web Page Generation, commonly known as Cross-site Scripting. Specifically, it falls under the sub-category of Stored XSS where malicious scripts are permanently stored on target servers. In terms of offensive security frameworks like MITRE ATT&CK, this activity maps to T1059.007: JavaScript and potentially facilitates subsequent techniques such as Credential Access through Browser Session Hijacking (T1539) or Collection via Screen Capture if combined with other payloads. The persistence mechanism inherent in stored XSS makes it particularly dangerous for long-term unauthorized access and lateral movement within the application's administrative domain.
Mitigation strategies must address both immediate remediation and long-term security posture improvements. Developers should implement strict input validation that rejects any non-alphanumeric characters or specific HTML entities unless explicitly required, employing a whitelist approach rather than blacklist filtering to prevent bypasses using encoded variants of malicious tags. Output encoding is equally critical; all data retrieved from the database and rendered in HTML contexts must be properly escaped using context-aware encoding techniques such as HTML entity encoding for body content or JavaScript string escaping if injected into script blocks. Additionally, implementing Content Security Policy headers can significantly mitigate the impact by restricting the sources from which scripts are allowed to execute, thereby preventing the injection of external malicious payloads even if they bypass input filters. For system administrators unable to immediately patch the software, applying web application firewall rules that detect and block common XSS payload patterns in POST requests targeting this specific endpoint provides a temporary layer of defense while ensuring strict access controls limit exposure to trusted IP addresses only.