CVE-2026-59802 PasswordPusher < 2.8.1 - Redirect-Based XSS via data URI in URL Push Payload
Attackers can inject malicious JavaScript via data URIs in URL pushes, enabling phishing and credential theft on the trusted PasswordPusher domain.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-59802?
CVE-2026-59802 is a medium-severity cross-site scripting vulnerability in PasswordPusher, published on 8 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
PasswordPusher before 2.8.1 accepts data URI schemes in URL push payloads due to insufficient validation in the valid_url function. Attackers can create malicious pushes containing data:text/html URIs that execute arbitrary JavaScript in victims' browsers when clicked, enabling phishing and credential theft under the trusted PasswordPusher domain.
Weakness: CWE-183
Which versions are affected by CVE-2026-59802?
How do I fix CVE-2026-59802?
No fix has been published for CVE-2026-59802 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-59802 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-59802 exists.
Sources
Also known as GHSA-76c2-66pg-fj2f.