CVE-2026-59802 PasswordPusher CVE debrief

Who should care

Users of PasswordPusher before version 2.8.1 should be aware of this vulnerability and take steps to mitigate it. This vulnerability could allow attackers to execute arbitrary JavaScript in victims' browsers, leading to phishing and credential theft. Affected operator, platform, vulnerability-management, and security-team impact should be reviewed.

Technical summary

The vulnerability is caused by insufficient validation in the valid_url function of PasswordPusher before 2.8.1. This function accepts data URI schemes in URL push payloads, allowing attackers to create malicious pushes containing data:text/html URIs. When clicked, these malicious pushes can execute arbitrary JavaScript in victims' browsers, enabling phishing and credential theft under the trusted PasswordPusher domain. The CVSS score for this vulnerability is 6.3, with a severity rating of MEDIUM. Defenders should review official advisories and implement compensating controls for exposed systems.

Defensive priority

Medium priority should be given to updating PasswordPusher to version 2.8.1 or later. In the meantime, users should be cautious when clicking on URL push payloads from untrusted sources and implement additional security measures to detect and prevent phishing attacks.

Recommended defensive actions

• Update PasswordPusher to version 2.8.1 or later
• Implement additional security measures to detect and prevent phishing attacks
• Educate users on the risks associated with clicking on URL push payloads from untrusted sources
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-08T20:16:55.737Z and was last modified on 2026-07-10T18:46:32.250Z. The NVD entry is currently Deferred. Evidence is limited to CVE and NVD information. Defenders should verify affected product deployments and review official advisories for validation.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.