CVE-2026-39823
MEDIUM
MEDIUM
Priority: 0.02
BB Relevance:
62/100
Published: 2026-05-07
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
Scope Change
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
Required
S:
Changed
C:
Low
I:
Low
A:
None
Description
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.
Weakness Classification (1)
References & Advisories (4)
Vendor Advisory
Release Notes
Patch
Issue Tracking