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FreeBSD CVSweb version 2.x contains a Cross Site Scripting (XSS) vulnerability in all…

Priority LOW 29CWE-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 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

FreeBSD CVSweb version 2.x contains a Cross Site Scripting (XSS) vulnerability in all pages that can result in limited impact--CVSweb is anonymous & read-only. It might impact other sites on same domain. This attack appears to be exploitable via victim must load specially crafted url. This vulnerability appears to have been fixed in 3.x.

Why it matters now

EPSS 0.00865 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:freebsd:cvsweb:*:*:*:*:*:*:*:*2.0.4 – 2.0.6VulnerableFreeBSD
  • cpe:2.3:a:freebsd:cvsweb:*:*:*:*:*:*:*:* Versions 2.0.4 – 2.0.6 Vulnerable ·FreeBSD

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000998
  2. 2026-10-03 Alias added: GHSA-mxq7-h42w-wh9g

References

Sources