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Vulnerability record · CVE-2026-8080 · published 7 May 2026

CVE-2026-8080: Misp-project misp cross-site scripting vulnerability

Misp Project · Misp

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in misp allows Stored XSS. This issue affects MISP before 2.5.37. A stored cross-site scripting vulnerability exists in the template element attribute handling logic. The application accepted arbitrary values for the TemplateElementAttribute type and category fields without validating them against the known MISP attribute type and category definitions. An attacker with permission to create or modify template element attributes could store a crafted type value. This affects the old templating (not more accessible in 2.5.37) engine from MISP which will be removed in 2.5.38

6.8 CVSS 4.0 Medium EPSS 0.24% · top 86.6% CWE-79 · Cross-site scripting
6.8CVSS 4.0 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
22 Jun 2026Last modified by NVD

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in misp allows Stored XSS. This issue affects MISP before 2.5.37. A stored cross-site scripting vulnerability exists in the template element attribute handling logic. The application accepted arbitrary values for the TemplateElementAttribute type and category fields without validating them against the known MISP attribute type and category definitions. An attacker with permission to create or modify template element attributes could store a crafted type value. This affects the old templating (not more accessible in 2.5.37) engine from MISP which will be removed in 2.5.38

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/MISP/MISP/commit/62824e5ca0056d01b195f70466ea0d382cca06d0 Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-29858Misp-project misp vulnerabilityIn MISP before 2.4.187, __uploadLogo in app/Controller/OrganisationsController.php does not properly check for a valid logo upload.EPSS 0.38%9.8CVE-2024-29859Misp-project misp unrestricted file upload vulnerabilityIn MISP before 2.4.187, add_misp_export in app/Controller/EventsController.php does not properly check for a valid file upload.EPSS 0.82%9.8CVE-2024-25675Misp-project misp vulnerabilityAn issue was discovered in MISP before 2.4.184. A client does not need to use POST to start an export generation process. This is related to app/Cont…EPSS 0.82%9.8CVE-2024-25674Misp-project misp unrestricted file upload vulnerabilityAn issue was discovered in MISP before 2.4.184. Organisation logo upload is insecure because of a lack of checks for the file extension and MIME type.EPSS 0.78%9.8CVE-2023-50918Misp-project misp vulnerabilityapp/Controller/AuditLogsController.php in MISP before 2.4.182 mishandles ACLs for audit logs.EPSS 0.79%9.8CVE-2023-48658Misp-project misp vulnerabilityAn issue was discovered in MISP before 2.4.176. app/Model/AppModel.php lacks a checkParam function for alphanumerics, underscore, dash, period, and s…EPSS 0.92%9.8CVE-2023-48656Misp-project misp vulnerabilityAn issue was discovered in MISP before 2.4.176. app/Model/AppModel.php mishandles order clauses.EPSS 0.92%9.8CVE-2023-48659Misp-project misp vulnerabilityAn issue was discovered in MISP before 2.4.176. app/Controller/AppController.php mishandles parameter parsing.EPSS 0.92%

Source: NIST National Vulnerability Database (record CVE-2026-8080), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.