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    CVE-2026-21430

    Emlog is an open source website building system. In version 2.5.23, article creation functionality is vulnerable to cross-site request forgery (CSRF). This can lead to a user being forced to post an article with arbitrary, attacker-controlled content. This, when combined with stored cross-site scripting, leads to account takeover. As of time of publication, no known patched versions are available.

    Published:Jan 2, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 2, 2026
    EPSS Score:0.0003
    CVSS Score:9.3

    Affected Products

    Vendor
    Emlog
    Product
    Emlog

    Exploits

    https://github.com/emlog/emlog/security/advisories/GHSA-2g2w-vmg7-pq4q

    Related CVEs

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    CVE-2026-53758 (CVSS 8.7) — Emlog is an open source website building system. In versions 2.6.29 and prior, article content is processed by…
    CVE-2026-53756 (CVSS 4.9) — Emlog is an open source website building system. Prior to version 2.6.16, Emlog CMS Pro contains a blind SQL i…
    CVE-2026-73850 (CVSS 8.6) — Emlog is an open source website building system. In 2.6.20 and earlier, there is a SQL injection vulnerability…
    CVE-2026-73849 (CVSS 9.8) — Emlog is an open source website building system. In 2.6.26 and earlier, install.php accepts action=reinstall w…
    CVE-2026-73847 (CVSS 6.8) — Emlog is an open source website building system. In 2.6.26 and earlier, missing CSRF protection on the AI Assi…
    CVE-2026-67598 (CVSS 9.1) — Emlog Pro through 2.6.23 contains a disabled TLS certificate validation vulnerability in include/service/ai.ph…
    CVE-2026-52520 (CVSS 5.4) — Emlog CMS <= 2.6.14 contains a stored cross-site scripting (XSS) vulnerability in the article publishing modul…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High