{"id":"CVE-2026-82811","state":"PUBLISHED","title":"Toggl OÜ Toggl Track Extension postMessage origin validation","description":"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.","publishedAt":"2026-08-31T17:00:10.617Z","updatedAt":"2026-08-31T18:47:25.115Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["Toggl OÜ Toggl Track Extension"],"affected":[{"vendor":"Toggl OÜ","product":"Toggl Track Extension","versions":[{"version":"4.11.16","status":"affected"}],"cpes":["cpe:2.3:a:toggl_o_:toggl_track_extension:*:*:*:*:*:*:*:*"],"modules":["postMessage Handler"]}],"references":["https://vuldb.com/vuln/397230","https://vuldb.com/vuln/397230/cti","https://vuldb.com/cve/CVE-2026-82811","https://vuldb.com/submit/875273","https://github.com/xryj920/chrome_extensions/blob/main/Toggl%20O%C3%9C%20Toggl%20Track%204.11.16%20accepts%20forged%20session-state%20messages%20through%20an%20unauthenticated%20postMessage%20handler"],"weaknesses":["CWE-346","CWE-345"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/82xxx/CVE-2026-82811.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82811","state":"PUBLISHED","datePublished":"2026-08-31T17:00:10.617Z","dateUpdated":"2026-08-31T18:47:25.115Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-08-31T05:10:03.728Z"},"containers":{"cna":{"title":"Toggl OÜ Toggl Track Extension postMessage origin validation","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Toggl OÜ","product":"Toggl Track Extension","versions":[{"version":"4.11.16","status":"affected"}],"cpes":["cpe:2.3:a:toggl_o_:toggl_track_extension:*:*:*:*:*:*:*:*"],"modules":["postMessage Handler"]}],"references":[{"url":"https://vuldb.com/vuln/397230","name":"VDB-397230 | Toggl OÜ Toggl Track Extension postMessage origin validation","tags":["vdb-entry"]},{"url":"https://vuldb.com/vuln/397230/cti","name":"VDB-397230 | CTI Indicators (IOB, IOC)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-82811","name":"CVE-2026-82811 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/875273","name":"Submit #875273 | Toggl OÜ Toggl Track 4.11.16 Origin Validation Error","tags":["third-party-advisory"]},{"url":"https://github.com/xryj920/chrome_extensions/blob/main/Toggl%20O%C3%9C%20Toggl%20Track%204.11.16%20accepts%20forged%20session-state%20messages%20through%20an%20unauthenticated%20postMessage%20handler","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.4,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.4,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":6.4,"vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-346","type":"CWE","lang":"en","description":"Origin Validation Error"}]},{"descriptions":[{"cweId":"CWE-345","type":"CWE","lang":"en","description":"Insufficient Verification of Data Authenticity"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-08-31T17:00:10.617Z"},"timeline":[{"time":"2026-08-31T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-31T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-31T07:15:12.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"DRXYJ (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"x_generator":["VulDB PVTS v202608"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-31T18:47:13.671688Z","id":"CVE-2026-82811","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-31T18:47:25.115Z"}}]}}}