CVE-2026-95661— MISP Reflected Cross-Site Scripting in Attribute Histogram via Unescaped URL-Supplied Type List
Quick assessment
Affected
MISP MISP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
MISP contains a reflected cross-site scripting (XSS) vulnerability in the attribute histogram view. The $selectedTypes variable, which is derived from the URL path segment , was interpolated directly into a JavaScript array literal inside an onClick HTML attri
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I. Basic Information for CVE-2026-95661
Vulnerability Information
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Vulnerability Title
MISP Reflected Cross-Site Scripting in Attribute Histogram via Unescaped URL-Supplied Type List
Source: CVE Program / CVE List V5
Vulnerability Description
MISP contains a reflected cross-site scripting (XSS) vulnerability in the attribute histogram view. The $selectedTypes variable, which is derived from the URL path segment , was interpolated directly into a JavaScript array literal inside an onClick HTML attribute without any encoding or escaping. An attacker who can cause an authenticated MISP user to visit a crafted URL containing a malicious type value can execute arbitrary JavaScript in the victim's browser within the MISP application origin.
Successful exploitation allows the attacker to read session cookies, perform actions on behalf of the victim, or exfiltrate sensitive data accessible from the MISP interface.
The vulnerability requires the victim to be authenticated and to actively navigate to the attacker-supplied URL.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/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-2026-95661
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-95661 (1)
Same Patch Batch · MISP · 2026-09-22 · 19 CVEs total
| CVE-2026-95806 | 7.7 HIGH | MISP: PHP phar stream wrapper enables deserialization and code execution via caller-influe |
| CVE-2026-95658 | 6.9 MEDIUM | MISP CSRF vulnerability in workflow moduleStatelessExecution allows cross-site execution o |
| CVE-2026-95754 | 6.9 MEDIUM | MISP: Disabled-user check ineffective in pre-authentication TOTP login branch |
| CVE-2026-95679 | 6.9 MEDIUM | MISP Unauthenticated Blind SSRF via XML Body Processing |
| CVE-2026-95667 | 6.9 MEDIUM | MISP Installer Log and FIFO Created World-Readable, Exposing Sensitive Credentials |
| CVE-2026-95693 | 5.3 MEDIUM | MISP Information Disclosure via Forged Upload Path |
| CVE-2026-95805 | 5.3 MEDIUM | MISP ACLComponent: Typo in previewEventAttributes ACL key bypasses intended access restric |
| CVE-2026-95698 | 5.3 MEDIUM | MISP Path Traversal in OrgImgHelper findOrgImage via Crafted Organization Name |
| CVE-2026-95671 | 5.3 MEDIUM | MISP Collections: Missing Authorization Check for Sharing Group on PUT Request in collecti |
| CVE-2026-95685 | 5.3 MEDIUM | MISP Missing Authorization on replaceSuggestionInReport Event Report Action |
| CVE-2026-95674 | 5.3 MEDIUM | MISP EventsController queryEnrichment allows querying unavailable or legacy modules withou |
| CVE-2026-95683 | 5.3 MEDIUM | MISP Overmind Event View Discloses Report Content Bypassing Report-Level ACL |
| CVE-2026-95697 | 5.3 MEDIUM | MISP: Insufficient Authorization Allows Sharing Group Editors to Overwrite Organization Me |
| CVE-2026-95665 | 5.1 MEDIUM | MISP Reflected Cross-Site Scripting in Event Export Confirmation Form via Unescaped JSON |
| CVE-2026-95703 | 5.1 MEDIUM | MISP OrganisationsController File Existence and Image-Type Oracle via Forged Upload tmp_na |
| CVE-2026-95701 | 5.1 MEDIUM | MISP Path Traversal via Organization Name in Org-Statistics Logo Check |
| CVE-2026-95659 | 4.8 MEDIUM | MISP Reflected XSS via Unvalidated Object Type in AnalystData Overmind Thread |
| CVE-2026-95682 | 4.8 MEDIUM | MISP Stored Cross-Site Scripting via Unescaped Organization Name in Admin Email View |
IV. Related Vulnerabilities
Same product: MISP
-
CVE-2026-95806
MISP: PHP phar stream wrapper enables deserialization and co -
CVE-2026-95805
MISP ACLComponent: Typo in previewEventAttributes ACL key by -
CVE-2026-95754
MISP: Disabled-user check ineffective in pre-authentication -
CVE-2026-95703
MISP OrganisationsController File Existence and Image-Type O -
CVE-2026-95701
MISP Path Traversal via Organization Name in Org-Statistics
Same vendor: MISP
-
CVE-2026-95806
MISP: PHP phar stream wrapper enables deserialization and co -
CVE-2026-95805
MISP ACLComponent: Typo in previewEventAttributes ACL key by -
CVE-2026-95754
MISP: Disabled-user check ineffective in pre-authentication -
CVE-2026-95703
MISP OrganisationsController File Existence and Image-Type O -
CVE-2026-95701
MISP Path Traversal via Organization Name in Org-Statistics
Same weakness: CWE-79
-
CVE-2026-77912
Stored cross-site scripting vulnerability in GitHub Enterpri -
CVE-2026-88020
Improper Neutralization of Input During Web Page Generation -
CVE-2026-95812
ClipBucket v5 before 5.5.3-#182 Reflected XSS via Query Para -
CVE-2026-76909
Unleash: CR-approval email renders user-controlled raw HTML -
CVE-2026-83801
Nautobot: Stored cross-site scripting (XSS) in object create
V. Comments for CVE-2026-95661
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