What’s Vulnerable › Vulnerabilities

CVE-2025-68115: Parse Server vulnerable to Cross-Site Scripting (XSS) via Unescaped Mustache Template Variables

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-16 · updated 2026-10-07
• Weakness: CWE-79

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. In versions prior to 8.6.1 and 9.1.0-alpha.3, a Reflected Cross-Site Scripting (XSS) vulnerability exists in Parse Server's password reset and email verification HTML pages. The patch, available in versions 8.6.1 and 9.1.0-alpha.3, escapes user controlled values that are inserted into the HTML pages. No known workarounds are available.

Affected products

• parse-community parse-server: before 8.6.1; 9.0.0, 9.0.0-alpha1, 9.0.0-alpha10, 9.0.0-alpha11, 9.0.0-alpha2, 9.0.0-alpha3 (+8) — fixed in 8.6.1

How to fix

Upgrade to a fixed version: parse-community parse-server 8.6.1. Check the vendor advisory for mitigations.

References

• https://github.com/parse-community/parse-server/pull/9985
• https://github.com/parse-community/parse-server/pull/9986
• https://github.com/parse-community/parse-server/security/advisories/GHSA-jhgf-2h8h-ggxv

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