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TI-2022-09415 Aliases CVE-2022-25849GHSA-4r9g-w48q-8jwm

Cross-site scripting (XSS) in joyqi/hyper-down

Priority MEDIUM 60CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0057 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—joyqi/hyper-down0.0.0 and later—No fix listedCNA
—joyqi/hyper-down (Packagist)up to 2.4.27—No fix listedGHSA-4r9g-w48q-8jwm
  • joyqi/hyper-down Vendor— Affected 0.0.0 and later Fixed in — No fix listed CNA
  • joyqi/hyper-down (Packagist) Vendor— Affected up to 2.4.27 Fixed in — No fix listed GHSA-4r9g-w48q-8jwm

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hyperdown_project:hyperdown:*:*:*:*:*:node.js:*:*all versionsVulnerableHyperdown Project
  • cpe:2.3:a:hyperdown_project:hyperdown:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·Hyperdown Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-25849
  2. 2026-10-03 Alias added: GHSA-4r9g-w48q-8jwm

References

Advisory 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences