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CVE-2015-9373: iThemes PayPal Pro Add‑on can run malicious scripts

CVE-2015-9373 · published 7 years ago

Summary

The PayPal Pro add‑on for iThemes Exchange (versions before 1.1.0) lets attackers insert harmful code into web pages that users view. This could let a bad actor steal data or trick users into unwanted actions. Update the add‑on to the latest version or remove it until it is patched.

What to do

Update webdevstudios ithemes_paypal_pro to version 1.1.0 or later.

Affected software

Vendor	Product	Affected versions
webdevstudios	ithemes_paypal_pro	< 1.1.0 `cpe:2.3:a:webdevstudios:ithemes_paypal_pro::::::wordpress::*`

Original advisory text

PayPal Pro Add-on for iThemes Exchange before 1.1.0 for WordPress has XSS via add_query_arg() and remove_query_arg().

References

https://blog.sucuri.net/2015/04/security-advisory-xss-vulnerability-affecting-mu... Third Party Advisory
https://ithemes.com/coordinated-wordpress-plugin-security-update/ Vendor Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

6.1 Medium

Exploitation

<1% chance of attack within 30 days

Type

CWE-79Cross-site Scripting (XSS)

Timeline

Published28 Aug 2019

Updated3 Nov 2026

First seen29 Sep 2026

Sources

CVE-2015-9373 · NVD

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