[joyqi/hyper-down] 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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-25849
• https://security.snyk.io/vuln/SNYK-PHP-JOYQIHYPERDOWN-2953544
• https://github.com/advisories/GHSA-4r9g-w48q-8jwm