PayPal permissions-sdk-php verification_code Reflected cross site scripting

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

A vulnerability, which was classified as problematic, was found in PayPal permissions-sdk-php (Programming Language Software) (the affected version unknown). This affects an unknown code block of the file paypal/permissions-sdk-php. The manipulation of the argument verification_code as part of a Parameter leads to a cross site scripting vulnerability (Reflected). CWE is classifying the issue as CWE-79. This is going to have an impact on integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors. The summary by CVE is:

paypal/permissions-sdk-php is vulnerable to reflected XSS in the samples/GetAccessToken.php verification_code parameter, resulting in code execution.

The bug was discovered 02/21/2017. The weakness was disclosed 08/02/2018 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2017-6215 since 02/22/2017. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 527 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-79
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

02/21/2017 🔍
02/22/2017 +1 days 🔍
08/02/2018 +525 days 🔍
08/02/2018 +0 days 🔍
08/03/2018 +1 days 🔍
03/12/2020 +587 days 🔍

Sourcesinfoedit

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6215 (🔍)

Entryinfoedit

Created: 08/03/2018 07:29 AM
Updated: 03/12/2020 08:31 PM
Changes: (2) vulnerability_discoverydate advisory_confirm_url
Complete: 🔍

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