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    CVE-2026-116900

    REDAXO before 5.21.4 contains a stored cross-site scripting vulnerability that allows content editors to inject HTML by storing unescaped values rendered by media, medialist, link and linklist widgets. Attackers can submit crafted REX_INPUT_MEDIA or REX_INPUT_LINK values that break out of the value attribute, executing script in administrators' backend sessions to hijack accounts.

    Published:Oct 27, 2026
    Last Modified:Oct 31, 2026
    EPS:Oct 27, 2026
    EPSS Score:0.00138
    CVSS Score:5.4

    Affected Products

    Vendor
    Redaxo
    Product
    Core
    Vendor
    Redaxo
    Product
    Redaxo

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-117538 (CVSS 2.1) — REDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability in the backend packages API, wher…
    CVE-2026-117537 (CVSS 2.1) — REDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability that allows authenticated attacke…
    CVE-2026-117536 (CVSS 8.6) — REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in the backend user administration pa…
    CVE-2026-117535 (CVSS 5.1) — REDAXO before 5.21.3 contains a reflected cross-site scripting vulnerability in the backend media pool detail …
    CVE-2026-117534 (CVSS 5.1) — REDAXO before 5.21.3 contains a cross-site request forgery vulnerability in the structure/history plugin that …
    CVE-2026-117533 (CVSS 2.1) — REDAXO from 5.18.0 before 5.21.4 contains a stored cross-site scripting vulnerability because rex_media_servic…
    CVE-2026-117532 (CVSS 9.3) — REDAXO core from 5.3.0 before 5.21.4 contains an authentication bypass vulnerability in the structure/history …
    CVE-2026-116899 (CVSS 7.1) — REDAXO before 5.21.4 contains a broken access control vulnerability that allows authenticated editors to modif…
    CVE-2026-116898 (CVSS 7.1) — REDAXO before 5.21.4 contains a missing authorization vulnerability in the media pool bulk move that checks on…
    CVE-2026-116897 (CVSS 7.1) — REDAXO core before 5.21.4 contains a missing authorization vulnerability in the structure/version and structur…

    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