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P4Verified
CVE-2026-109345: DOMPurify 0 to before 3.4.16
CVE-2026-109345. CVSS 3.1 base score 6.1 (GitHub Advisory Database).
Affected technology
DOMPurify · 0 to before 3.4.16
cure53
Description’s affected range: before 3.4.16
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Active user interaction
What an attacker can do
Attackers can supply a style element containing a closing style tag and an img onerror payload, which executes script when the application serializes and re-parses the returned node. Vendor/CNA’s CVSS 4.0 assessment (base score 5.1/10) rates confidentiality, integrity and availability impact as none.
- CWE
- CWE-79
- CCR priority
- 24.4 /100 (P4)
- CVSS 3.1
- 6.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · GitHub Advisory Database
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-13 02:51:46.931182+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-13 01:49:08.152775+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-109345.html