{"id":"CVE-2026-89246","title":"WWBN AVideo CSV Formula Injection via myComments.download.php","summary":"WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a CSV formula injection vulnerability in the myComments.download.php endpoint that fails to sanitize spreadsheet formula prefixes in comment text. Authenticated…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-1236"],"vendor":"WWBN","product":"AVideo","affected":["AVideo <= c3edcc274c389816d434acadac07ee78eaf330c1"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-11T18:20:31.818380Z"},"exploitAvailable":true,"published":"2026-09-11","updated":"2026-09-11","sourceUpdated":"2026-09-11T18:20:45.261Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89246","references":[{"url":"https://github.com/WWBN/AVideo/security/advisories/GHSA-766f-9gfh-v4wj","label":"GitHub Security Advisory (GHSA-766f-9gfh-v4wj)"},{"url":"https://www.vulncheck.com/advisories/wwbn-avideo-csv-formula-injection-via-mycomments-download-php","label":"VulnCheck Advisory: WWBN AVideo CSV Formula Injection via myComments.download.php"}],"tags":["cve.org","exploit-available"],"epss":0.00176,"epssPercentile":0.07394,"ingestedAt":"2026-09-14T00:35:28.535Z","slug":"CVE-2026-89246","body":"## Overview\n\nWWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a CSV formula injection vulnerability in the myComments.download.php endpoint that fails to sanitize spreadsheet formula prefixes in comment text. Authenticated users can inject formulas starting with =, +, -, or @ characters that execute when administrators or video owners open the exported CSV file in spreadsheet applications.\n\n## Affected\n\n- `AVideo <= c3edcc274c389816d434acadac07ee78eaf330c1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":93576,"id":"CVE-2026-89246","ts":1789152871559,"field":"exploit_available","old":"false","new":"true"}]}