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CVE-2026-39823

6.1 medium SSVC exploitation: none Analyzed
NVD · CVE.org

CVE-2026-27142 fixed a vulnerability in which URLs were not correctly escaped inside of a <meta> tag's <content> attribute. If the URL content were to insert ASCII whitespaces around the '=' rune inside of the <content> attribute, the escaper would fail to similarly escape it, leading to XSS.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.1 · golangNVD modified 2026-10-26 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

References 4