CVE-2026-116804
published 2026-10-27CVE-2026-116804: DOMPurify from 3.4.4 before 3.4.17 contains a SAFE_FOR_TEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using…
medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
DOMPurify from 3.4.4 before 3.4.17 contains a SAFE_FOR_TEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using RETURN_DOM, RETURN_DOM_FRAGMENT, or IN_PLACE modes. Attackers can split expressions across text nodes separated by disallowed elements, which merge after removal and are evaluated by downstream template engines for cross-site scripting.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cure53 | dompurify | >= 3.4.4 < 3.4.17 | 3.4.17 |
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv4.05.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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VulDB
cure53 DOMPurify up to 3.4.16 cross site scripting
vuldb·2026-10-27
CVE-2026-116804 [LOW] cure53 DOMPurify up to 3.4.16 cross site scripting
A vulnerability has been found in cure53 DOMPurify up to 3.4.16 and classified as problematic. This affects an unknown function. Performing a manipulation results in cross site scripting.
This vulnerability is reported as CVE-2026-116804. The attack is possible to be carried out remotely. No exploit exists.
The affected component should be upgraded.
GHSA
DOMPurify from 3.4.4 before 3.4.17 contains a SAFE_FOR_TEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using RETURN_DOM, RETURN_DOM_FRAGMENT, or IN_PLA
ghsa_unreviewed·2026-10-27
CVE-2026-116804 [MEDIUM] CWE-79 DOMPurify from 3.4.4 before 3.4.17 contains a SAFE_FOR_TEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using RETURN_DOM, RETURN_DOM_FRAGMENT, or IN_PLA
DOMPurify from 3.4.4 before 3.4.17 contains a SAFE_FOR_TEMPLATES bypass that lets attackers preserve template expressions in attached shadow roots when using RETURN_DOM, RETURN_DOM_FRAGMENT, or IN_PLACE modes. Attackers can split expressions across text nodes separated by disallowed elements, which merge after removal and are evaluated by downstream template engines for cross-site scripting.
No detection rules found.
No public exploits indexed.
2026-10-27
Published