CVE-2026-111405 in MapSVG Plugin
Summary
by MITRE • 10/16/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PT Norther Lights Production MapSVG mapsvg-lite-interactive-vector-maps allows Stored XSS.This issue affects MapSVG: from n/a through 8.16.1.
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Analysis
by VulDB Data Team • 10/16/2026
The identified vulnerability represents a classic instance of Improper Neutralization of Input During Web Page Generation, commonly known as Cross-Site Scripting or XSS. Specifically, this flaw manifests as a Stored XSS within the MapSVG library used by PT Norther Lights Production for interactive vector maps. The affected versions span from n/a through 8.16.1, indicating that any deployment utilizing these iterations of the software is susceptible to exploitation. Unlike reflected XSS where malicious scripts are executed via manipulated URLs in real-time, stored XSS involves the persistence of malicious input on the target server or application state. This means that once an attacker successfully injects a script payload into the system, it remains active and will be served to every subsequent user who views the affected map interface, significantly amplifying the scope and impact of the attack.
From a technical perspective, the vulnerability arises because the MapSVG component fails to adequately sanitize or validate user-supplied input before rendering it within the HTML context of the web page. When developers integrate interactive vector maps into their applications, they often allow users to add annotations, labels, or data points that are displayed on the map canvas. If these inputs contain executable JavaScript code and the application does not encode special characters such as angle brackets, quotes, or ampersands, the browser will interpret the injected content as active script rather than static text. This failure in input validation allows an attacker to bypass standard security controls like Content Security Policy (CSP) if misconfigured, leading to arbitrary code execution within the context of the victim's session.
The operational impact of this vulnerability is severe due to its persistent nature. An attacker can craft a payload that steals session cookies, hijacks user sessions, or performs actions on behalf of authenticated users without their knowledge. For example, an adversary could inject a script that exfiltrates sensitive data from the production map interface to an external server controlled by the attacker. Furthermore, because the malicious code is stored, it affects all visitors to the page, not just the initial victim who submitted the payload. This can lead to widespread compromise of user accounts, particularly if those users have elevated privileges within the application. In enterprise environments using PT Norther Lights Production maps for critical infrastructure monitoring or logistics tracking, such a breach could result in significant data loss and reputational damage.
In terms of industry standards classification, this vulnerability aligns with CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). More specifically, it falls under the sub-category of Stored XSS where input is saved to a database or persistent storage before being rendered later. From an offensive security framework perspective, such exploitation techniques are categorized under MITRE ATT&CK technique T1059: Command and Scripting Interpreter, with specific emphasis on JavaScript execution within browser environments. The persistence mechanism also relates to the initial access vector where attackers might use social engineering or other entry points to inject the payload into the input fields of the MapSVG interface.
To mitigate this vulnerability, immediate action is required by upgrading the MapSVG library to a version greater than 8.16.1, assuming that subsequent releases have implemented proper sanitization and encoding mechanisms. Developers should also implement defense-in-depth strategies regardless of the upgrade status. This includes enforcing strict Content Security Policy headers that restrict script execution to trusted sources only, thereby preventing inline scripts from executing even if injected into the DOM. Additionally, input validation should be applied on both the client side for user experience feedback and strictly on the server side before any data is persisted or rendered. Output encoding must ensure that all special characters are converted to their HTML entity equivalents so they are displayed as text rather than interpreted by the browser. Regular security audits and penetration testing of web applications utilizing third-party mapping components are essential to identify similar flaws in other integrated libraries.