What’s Vulnerable › Vulnerabilities

CVE-2022-25849: Cross-site Scripting (XSS)

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-10-26 · updated 2026-06-17
• Weakness: CWE-79

Description

The package joyqi/hyper-down from 0.0.0 are vulnerable to Cross-site Scripting (XSS) because the module of parse markdown does not filter the href attribute very well.

Affected products

• Hyperdown Project Hyperdown: all versions

References

• https://security.snyk.io/vuln/SNYK-PHP-JOYQIHYPERDOWN-2953544
• https://security.snyk.io/vuln/SNYK-PHP-JOYQIHYPERDOWN-2953544

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