CVE-2026-39823General(golang / go)

LOWCVSS 6.1 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • go

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
go

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-07: 1Technical Details · 2026-05-07: 105-07
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-39823 Meta Tag URL Escaping Vulnerability Leading to XSS in CVE-2026-27142 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-39823

    Post summary

    The statement references CVE-2026-39823 via a vulnerability details link and identifies a meta tag URL escaping XSS vulnerability in CVE-2026-27142, but provides no PoC, exploit code, patch, or evidence of active exploitation.

    0000044
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appgolanggo---

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