CVE-2026-25681
6.1 MEDIUMParsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree
Published: 2026-05-22 · Last updated: 2026-05-29
Severity and scoring
- CVSS
- 6.1 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CWE
- CWE-1021
Affected products
| Vendor | Product |
|---|---|
| golang | net |
Description
Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree. This can be leveraged to execute XSS attacks in applications that attempt to sanitize input HTML before rendering.
Source: NVD
References
Related CVEs
Same vendor
- CVE-2026-42506 — Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree (6.1 MEDIUM)
- CVE-2026-42502 — Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree (6.1 MEDIUM)
- CVE-2026-39821 — The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label (9.6 CRITICAL)
- CVE-2026-27136 — Parsing arbitrary HTML which is then rendered using Render can result in an unexpected HTML tree (6.1 MEDIUM)
- CVE-2026-25680 — Parsing arbitrary HTML can consume excessive CPU time, possibly leading to denial of service (6.5 MEDIUM)
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