EUVD-2026-68679
GHSA-xp3v-wvpf-cjp5
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
UI:R because victim must navigate to attacker page; I:L and A:L reflect session-state forgery; C:N as no confidentiality impact is evidenced.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
5DescriptionCVE.org
A security vulnerability has been detected in Toggl OÜ Toggl Track Extension 4.11.16. This affects an unknown function of the component postMessage Handler. The manipulation leads to origin validation error. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Origin validation failure in Toggl Track Extension 4.11.16's postMessage handler allows any malicious webpage to inject forged session-state messages into the extension without authentication. The exploit has been publicly disclosed on GitHub, demonstrating that an attacker can manipulate a victim's time-tracking session state simply by luring them to an attacker-controlled page. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The Toggl Track Extension version 4.11.16 must be installed and active in the victim's browser. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L) scores 5.3 and indicates a low-complexity, no-privileges network attack requiring only passive user interaction - the victim visiting a malicious page. … 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 | No vendor-released patch has been identified at time of analysis; the vendor did not respond to disclosure. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-346 – Origin Validation Error
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External POC / Exploit Code
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