{"id":"CVE-2026-73848","title":"Emlog is an open source website building system","summary":"Emlog is an open source website building system. In versions 2.6.29 and prior, tag names in emlog are not HTML-encoded when rendered in the article editor. An attacker can create a tag containing ');alert(document.domain);//. The addslas…","severity":"medium","cvss":6.9,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-79"],"vendor":"emlog","product":"emlog","affected":["emlog <= 2.6.29"],"published":"2026-09-04","updated":"2026-09-08","sourceUpdated":"2026-09-08T21:05:26.920","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73848","references":[{"url":"https://github.com/emlog/emlog/security/advisories/GHSA-fv6h-wr92-v4pj","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"epss":0.00323,"epssPercentile":0.25597,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-08T16:50:24.354497Z"},"cvssSource":"cna","ingestedAt":"2026-09-08T19:08:49.594Z","slug":"CVE-2026-73848","body":"## Overview\n\nEmlog is an open source website building system. In versions 2.6.29 and prior, tag names in emlog are not HTML-encoded when rendered in the article editor. An attacker can create a tag containing ');alert(document.domain);//. The addslashes() function does not escape HTML entities, so ' is stored as-is. When the browser renders the page, it decodes ' back to a literal single quote before evaluating the JavaScript, breaking out of the string and executing arbitrary code. At time of publication, there are no publicly known patches.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":38,"depthScoreParts":{"impact":38,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}