CVE-2023-3978Medium· 6.1▾ SunlitImproper rendering of text nodes in golang.org/x/net/html
▾ Sunlit zone — Low / medium · no exploitation signal
impact 33.6 · likelihood 0.2 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.8%
0.8% → 0.9%
Text nodes not in the HTML namespace are incorrectly literally rendered, causing text which should be escaped to not be. This could lead to an XSS attack.
golang.org/x/net < 0.13.0Upgrade to a patched release:
golang.org/x/net 0.13.0Connected by shared product, vendor, weakness, or advisory.
CVE-2022-27664High· 7.5golang.org/x/net/http2 Denial of Service vulnerability
CVE-2026-25680Medium· 6.5Go Net HTML parser is vulnerable to denial of service
CVE-2018-17847High· 7.5golang.org/x/net/html has Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2023-39325High· 7.5HTTP/2 rapid reset can cause excessive work in net/http
CVE-2026-27136NoneInvoking duplicate attributes can cause XSS in golang.org/x/net/html
CVE-2026-25681NoneInvoking incorrect handling of character references in DOCTYPE nodes in golang.org/x/net/html