EUVD-2026-64148Severity by source
AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Network-delivered reflected XSS requiring an authenticated victim to click a crafted link; session hijacking yields full confidentiality, integrity, and availability impact within the application.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
4DescriptionCVE.org
Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting (XSS) vulnerability in the synchro import script. This issue has been fixed in version 3.2.3.
AnalysisAI
Reflected XSS in Combodo iTop's synchro import script prior to version 3.2.3 enables attackers to inject and execute arbitrary JavaScript in the browsers of authenticated users who click a crafted link. The vulnerable parameter data_source_id in synchro/synchro_import.php was processed without output encoding, as confirmed by the vendor fix commit. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the victim be authenticated to iTop with at least a low-privilege account at the time of attack (PR:L in the CVSS vector), and that the victim actively click or navigate to a crafted URL (UI:R). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.0 (AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H) reflects a network-reachable flaw of low attack complexity requiring a low-privileged authenticated victim to interact with a malicious link. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Combodo iTop version 3.2.3 or later, as documented in the vendor security advisory at https://github.com/Combodo/iTop/security/advisories/GHSA-93q9-fc8m-5gp5 and implemented in commit 9236449b (https://github.com/Combodo/iTop/commit/9236449b218142207e2078ea6dc827637f722afc). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Combodo iTop deployments and identify instances running versions prior to 3.2.3, classifying them as high-priority for immediate patching. …
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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