01 Record
CVE-2026-82811
Toggl OÜ Toggl Track Extension postMessage origin validation
MediumPUBLISHEDCNA: VulDB
CNA base score5.3 CVSS v4.0CVSS: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
02 Description
Toggl OÜ Toggl Track Extension postMessage origin validation
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.21% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 12.1% of scored records. A rank, not a probability.
- NVD base score
- 2.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS 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/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
- NVD analysis status
- Deferred. NVD last modified this record on 2026-08-31.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-08-31 17:00Z1 MO AGO
- Last updated
- 2026-08-31 18:47Z1 MO AGO
- Reserved
- 2026-08-31
- Assigning CNA
- VulDB
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS 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
- Weaknesses
- Data version
- 5.2
- Document digest
- 9ca945cbb0cadc9a5730268feae175c18a01f94d49297a521e52da6c00e964b6
05 Affected products
VendorProductVersionsPlatforms
06 References
- vuldb.comVDB-397230 | Toggl OÜ Toggl Track Extension postMessage origin validationhttps://vuldb.com/vuln/397230
- vuldb.comVDB-397230 | CTI Indicators (IOB, IOC)https://vuldb.com/vuln/397230/cti
- vuldb.comCVE-2026-82811 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-82811
- vuldb.comSubmit #875273 | Toggl OÜ Toggl Track 4.11.16 Origin Validation Errorhttps://vuldb.com/submit/875273
- github.comhttps://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