Name: CVE-2026-75838: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2026-08-18T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-75838, CWE-79, CVSS 5.1, EPSS 0.003

DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in IN_PLACE sanitization where element-removal hooks fail to neutralize detached subtrees. Attackers can supply HTML with event handlers on descendant elements that execute after sanitization completes, even though the returned root appears clean.

CVSS Details

CVSS 4.0 Base Score: 5.1 (MEDIUM)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/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)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Redhat_linux	—	Upgrade receptorUpgrade automation-controller-uiUpgrade automation-gateway-proxyUpgrade automation-eda-controller-baseUpgrade python3-sqlparseUpgrade automation-eda-controller-worker-servicesUpgrade receptorctlNo solution existsUpgrade automation-eda-controller-base-servicesUpgrade python3.12-django-ansible-base+redis_clientUpgrade python3.12-django-ansible-base+channel_authUpgrade automation-platform-uiUpgrade python3.12-django-ansible-baseUpgrade python3.12-django-ansible-base+jwt_consumerUpgrade python3.12-django-ansible-base+rest_filtersUpgrade python3.12-django-ansible-base+authenticationUpgrade automation-gateway-proxy-debugsourceUpgrade automation-eda-controllerUpgrade aap-metrics-utilityUpgrade automation-gateway-serverUpgrade python3.12-django-ansible-base+api_documentationUpgrade automation-gateway-proxy-server-debuginfoUpgrade automation-controllerUpgrade python3.12-django-ansible-base+oauth2_providerUpgrade receptor-debugsourceUpgrade python3.12-django-ansible-base+feature_flagsUpgrade automation-gateway-proxy-serverUpgrade python3.12-galaxy-ngUpgrade receptor-debuginfoUpgrade automation-eda-controller-event-stream-servicesUpgrade automation-gateway-configUpgrade python3.12-django-ansible-base+activitystreamUpgrade automation-controller-serverUpgrade python3.12-django-ansible-base+resource_registryUpgrade python3.12-django-ansible-base+rbacUpgrade python3.12-gitpythonUpgrade automation-controller-venv-towerUpgrade automation-gatewayUpgrade automation-hubUpgrade automation-controller-cliUpgrade python3.12-sqlparse	Sep 21, 2026	Aug 18, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence