Summary
myTinyWMS contains a stored cross-site scripting vulnerability in product and category management because user-supplied names can be saved and later rendered without sufficient output encoding. An authenticated attacker may store JavaScript that executes when another user views a product sheet, category listing, or dashboard containing the malicious value.
myTinyWMS contains a stored cross-site scripting vulnerability in product and category management because user-supplied names can be saved and later rendered without sufficient output encoding. An authenticated attacker may store JavaScript that executes when another user views a product sheet, category listing, or dashboard containing the malicious value.
Affected context
The issue may occur in myTinyWMS deployments where authenticated users can create or edit products or categories and those names are later displayed in dynamic table cells or related dashboard views. Risk is increased when templates render database-backed strings as raw HTML and affected pages are accessible to workers, administrators, or other privileged users.
The issue may occur in myTinyWMS deployments where authenticated users can create or edit products or categories and those names are later displayed in dynamic table cells or related dashboard views. Risk is increased when templates render database-backed strings as raw HTML and affected pages are accessible to workers, administrators, or other privileged users.
Exploit preconditions
- Attack surface: Product and category management forms and the pages that
display their stored names
- Required access: An authenticated account permitted to create or modify
products or categories
- Trigger point: A second user opens a product sheet, category listing, or
dashboard containing the stored value
- Why exploitation is possible: Input is persisted without adequate backend
sanitization and is subsequently emitted through unescaped template output
in a browser-executable context
- Attack surface: Product and category management forms and the pages that
display their stored names
- Required access: An authenticated account permitted to create or modify
products or categories
- Trigger point: A second user opens a product sheet, category listing, or
dashboard containing the stored value
- Why exploitation is possible: Input is persisted without adequate backend
sanitization and is subsequently emitted through unescaped template output
in a browser-executable context
Why this happens
The underlying flaw is a failure to treat user-controlled database content as untrusted at the output boundary. Product and category names are stored and later rendered through unescaped Blade expressions in dynamic table cells, allowing markup and script content to be interpreted by the browser. This behavior maps to CWE-79, Improper Neutralization of Input During Web Page Generation, commonly called cross-site scripting.
The underlying flaw is a failure to treat user-controlled database content as untrusted at the output boundary. Product and category names are stored and later rendered through unescaped Blade expressions in dynamic table cells, allowing markup and script content to be interpreted by the browser. This behavior maps to CWE-79, Improper Neutralization of Input During Web Page Generation, commonly called cross-site scripting.
Potential impact
- A malicious script may execute in another user's browser session.
- Session information or accessible page data could be exposed.
- Actions may be performed with the victim's permissions.
- An attacker could target workers or administrators and potentially obtain elevated control.
- Application content, workflows, or related data may be altered.
- A malicious script may execute in another user's browser session.
- Session information or accessible page data could be exposed.
- Actions may be performed with the victim's permissions.
- An attacker could target workers or administrators and potentially obtain elevated control.
- Application content, workflows, or related data may be altered.
General mitigation guidance
Mitigation generally focuses on enforcing context-appropriate output encoding for every user-controlled value and avoiding raw template output unless content is explicitly trusted and safely sanitized. Backend validation should apply conservative length and character rules without being treated as a replacement for output encoding. Secure-by-default templates should escape values automatically, while any intentionally rich content should pass through a narrowly allowlisted sanitizer. Reducing input trust, limiting authenticated users' modification privileges, applying least privilege to administrative accounts, and using browser protections such as an appropriate Content Security Policy can reduce residual impact.
Mitigation generally focuses on enforcing context-appropriate output encoding for every user-controlled value and avoiding raw template output unless content is explicitly trusted and safely sanitized. Backend validation should apply conservative length and character rules without being treated as a replacement for output encoding. Secure-by-default templates should escape values automatically, while any intentionally rich content should pass through a narrowly allowlisted sanitizer. Reducing input trust, limiting authenticated users' modification privileges, applying least privilege to administrative accounts, and using browser protections such as an appropriate Content Security Policy can reduce residual impact.
How teams detect issues like this
Detection can include static analysis for raw or unescaped Blade output, especially where values originate from request parameters or database records. Code review should trace product and category fields from form handling through persistence to every rendering context, looking for missing contextual encoding or broad HTML allowlists. Dynamic testing can submit harmless marker values and verify that rendered pages encode them rather than interpret them. CI policy checks and automated security review tools may help flag unescaped template expressions and missing output-encoding controls.
Detection can include static analysis for raw or unescaped Blade output, especially where values originate from request parameters or database records. Code review should trace product and category fields from form handling through persistence to every rendering context, looking for missing contextual encoding or broad HTML allowlists. Dynamic testing can submit harmless marker values and verify that rendered pages encode them rather than interpret them. CI policy checks and automated security review tools may help flag unescaped template expressions and missing output-encoding controls.
