HyperDown vulnerable to Cross-site Scripting
HyperDown is a markdown parser written for the Chinese website SegmentFault. Improper validation of the href attribute allows for Cross-site Scripting. At publication there are no patched versions, and no known workarounds.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | joyqi/hyper-down | <= 2.4.27 | no fix |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
joyqi/hyper-down- Disclosed
- 26.10.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-4r9g-w48q-8jwm - CC BY 4.0
Vulnerability history: joyqi/hyper-down
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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