Parse Server has a Cross-Site Scripting (XSS) vulnerability via Unescaped Mustache Template Variables
Impact
A Reflected Cross-Site Scripting (XSS) vulnerability exists in Parse Server's password reset and email verification HTML pages.
Patches
The patch escapes user controlled values that are inserted into the HTML pages.
Workarounds
None.
Resources
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | parse-server | < 8.6.1, >= 9.0.0, < 9.1.0-alpha.3 | 8.6.1, 9.1.0-alpha.3 |
References
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N- Weakness (CWE)
CWE-79- Platform
- npm
- Package
parse-server- Disclosed
- 16.12.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-jhgf-2h8h-ggxv - CC BY 4.0
Vulnerability history: parse-server
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 116
- First → latest
- 06.2019 06.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 17
- High 49
- Medium 40
- Low 10
Disclosures per year
- 2019: 2
- 2020: 4
- 2021: 4
- 2022: 12
- 2023: 5
- 2024: 4
- 2025: 6
- 2026: 79
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Parse Server has a Cross-Site Scripting (XSS) vulnerability via Unescaped Mustache Template Variables this entry
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