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    CVE-2026-28812

    UserManager lack of checks allows impersonation in Apache JSPWiki up to 2.12.3 which may allow attackers to escalate privileges. Users are recommended to upgrade to version 2.12.4 or newer which fixes this issue.

    Published:Jul 30, 2026
    Last Modified:Jul 31, 2026
    EPS:Jul 30, 2026
    EPSS Score:0.00159
    CVSS Score:9.8

    Affected Products

    Vendor
    Apache
    Product
    Jspwiki

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-28814 (CVSS 7.5) — Arbitrary Wiki Markup rendering due to lack of authentication in Apache JSPWiki up to 2.12.3 allows attacker t…
    CVE-2026-28813 (CVSS 8.8) — Apache JSPWiki, up to 2.12.3, is vulnerable to JSON Hijacking, which leads to csrf vulnerabilities. Users are …
    CVE-2026-28811 (CVSS 7.5) — Debug Messages Revealing Unnecessary Information in Apache JSPWiki up to 2.12.3. Users are recommended to upgr…
    CVE-2025-24854 (CVSS 6.1) — A carefully crafted request using the Image plugin could trigger an XSS vulnerability on Apache JSPWiki, whic…
    CVE-2025-24853 (CVSS 7.5) — A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the a…
    CVE-2024-27136 (CVSS 6.1) — XSS in Upload page in Apache JSPWiki 2.12.1 and priors allows the attacker to execute javascript in the victim…
    CVE-2022-46907 (CVSS 6.1) — A carefully crafted request on several JSPWiki plugins could trigger an XSS vulnerability on Apache JSPWiki, w…
    CVE-2022-34158 (CVSS 8.8) — A carefully crafted invocation on the Image plugin could trigger an CSRF vulnerability on Apache JSPWiki befor…
    CVE-2022-28732 (CVSS 6.1) — A carefully crafted request on WeblogPlugin could trigger an XSS vulnerability on Apache JSPWiki, which could …

    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