CVE-2026-65914— DOMPurify before 3.3.2 Mutation XSS via Re-Contextualization
Possible ATT&CK Techniques 3AI
T1190 · Exploit Public-Facing Application T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseGet alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-65914
Vulnerability Information
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Vulnerability Title
DOMPurify before 3.3.2 Mutation XSS via Re-Contextualization
Source: CVE Program / CVE List V5
Vulnerability Description
DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into special parsing contexts using innerHTML with wrappers like script, xmp, iframe, noembed, noframes, or noscript. Attackers can craft payloads with closing sequences that break out of the wrapper context during reparsing, reactivating dangerous markup with event handlers to execute JavaScript.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-65914
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Other References for CVE-2026-65914 (2)
Same Patch Batch · cure53 · 2026-07-23 · 11 CVEs total
| CVE-2026-65898 | 7.2 HIGH | DOMPurify before 3.4.11 Permanent Attribute Allowlist Pollution via setConfig |
| CVE-2026-65899 | 6.1 MEDIUM | DOMPurify before 3.4.9 Trusted Types Policy State Contamination |
| CVE-2026-65901 | 6.1 MEDIUM | DOMPurify 3.4.6 Cross-Site Scripting via IN_PLACE nodeName |
| CVE-2026-65900 | 6.1 MEDIUM | DOMPurify before 3.4.8 Template Expression Injection via RETURN_DOM |
| CVE-2026-65912 | 6.1 MEDIUM | DOMPurify before 3.3.2 URI Validation Bypass via ADD_ATTR |
| CVE-2026-65913 | 6.1 MEDIUM | DOMPurify before 3.3.2 Prototype Pollution via USE_PROFILES |
| CVE-2026-65911 | 6.1 MEDIUM | DOMPurify before 3.4.0 XSS via ADD_ATTR/ADD_TAGS State Leakage |
| CVE-2026-65903 | 6.1 MEDIUM | DOMPurify before 3.4.0 ADD_TAGS Function Bypasses FORBID_TAGS |
| CVE-2026-65902 | 6.1 MEDIUM | DOMPurify before 3.4.7 Hook Mutation Pollution via allowedTags |
| CVE-2026-65904 | 4.7 MEDIUM | DOMPurify before 3.4.4 Cross-Site Scripting via IN_PLACE mode |
IV. Related Vulnerabilities
Same product: DOMPurify
- CVE-2026-65913
DOMPurify before 3.3.2 Prototype Pollution via USE_PROFILES - CVE-2026-65912
DOMPurify before 3.3.2 URI Validation Bypass via ADD_ATTR - CVE-2026-65911
DOMPurify before 3.4.0 XSS via ADD_ATTR/ADD_TAGS State Leaka - CVE-2026-65904
DOMPurify before 3.4.4 Cross-Site Scripting via IN_PLACE mod - CVE-2026-65902
DOMPurify before 3.4.7 Hook Mutation Pollution via allowedTa
Same vendor: cure53
- CVE-2026-65913
DOMPurify before 3.3.2 Prototype Pollution via USE_PROFILES - CVE-2026-65912
DOMPurify before 3.3.2 URI Validation Bypass via ADD_ATTR - CVE-2026-65911
DOMPurify before 3.4.0 XSS via ADD_ATTR/ADD_TAGS State Leaka - CVE-2026-65904
DOMPurify before 3.4.4 Cross-Site Scripting via IN_PLACE mod - CVE-2026-65902
DOMPurify before 3.4.7 Hook Mutation Pollution via allowedTa
Same weakness: CWE-79
- CVE-2026-65912
DOMPurify before 3.3.2 URI Validation Bypass via ADD_ATTR - CVE-2026-65911
DOMPurify before 3.4.0 XSS via ADD_ATTR/ADD_TAGS State Leaka - CVE-2026-65901
DOMPurify 3.4.6 Cross-Site Scripting via IN_PLACE nodeName - CVE-2026-65900
DOMPurify before 3.4.8 Template Expression Injection via RET - CVE-2026-65898
DOMPurify before 3.4.11 Permanent Attribute Allowlist Pollut
V. Comments for CVE-2026-65914
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