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TI-2020-19958 Aliases GHSA-5ff8-jcf9-fw62

Cross-Site Scripting in markdown-it-katex

Priority LOW 38CWE-79Published · Updated

Key facts

Attack vector
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Privileges required
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User interaction
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Attack complexity
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Impact type
Cross-site scripting
Confidentiality · integrity · availability
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Fix status
No fix listed

No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-79.

Summary

All versions of `markdown-it-katex` are vulnerable to Cross-Site Scripting (XSS). The package fails to properly escape error messages, which may allow attackers to execute arbitrary JavaScript in a victim's browser by triggering an error. ## Recommendation No fix is currently available. Consider using an alternative package until a fix is made available.

Why it matters now

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—markdown-it-katex (npm)0.0.0 and later—No fix listedGHSA-5ff8-jcf9-fw62
  • markdown-it-katex (npm) Vendor— Affected 0.0.0 and later Fixed in — No fix listed GHSA-5ff8-jcf9-fw62

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-03 Threatist record created from GHSA-5ff8-jcf9-fw62

References

Sources

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