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TI-2026-23006 Aliases CVE-2026-28812GHSA-3qxc-7g4v-3gm9

Apache JSPWiki: UserManager does not sanity-check user database at startup

Priority MEDIUM 50CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-290.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0069 53rd percentileScored 2026-11-07
Fix Fixed Apache JSPWiki (Apache Software Foundation): 2.12.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache JSPWikibefore 2.12.42.12.4Patch availableCNA
  • Apache JSPWiki VendorApache Affected before 2.12.4 Fixed in 2.12.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:jspwiki:*:*:*:*:*:*:*:*before 2.12.4VulnerableApache
  • cpe:2.3:a:apache:jspwiki:*:*:*:*:*:*:*:* Versions before 2.12.4 Vulnerable ·Apache

Remediation

  • Fix · CNA Apache JSPWiki (Apache Software Foundation) Fixed in 2.12.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apache JSPWiki 2.12.4

    3 records Highest priority Priority MEDIUM 3 MEDIUM

    Other records, highest priority first

    • TI-2026-23008 Apache JSPWiki: Pre-Authentication Arbitrary Wiki Markup RenderingPriority MEDIUM 40
    • TI-2026-23007 Apache JSPWiki: JSPWiki vulnerable to JSON hijackingPriority MEDIUM 40

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28812
  2. 2026-10-03 Alias added: GHSA-3qxc-7g4v-3gm9

References

  • TI-2022-11364 Apache JSPWiki Cross-site scripting vulnerability on AJAXPreview.jsp CVSS 3.1MEDIUM 6.1
  • TI-2022-10292 XSS vulnerability on XHRHtml2Markup.jsp in JSPWiki 2.11.2 CVSS 3.1MEDIUM 6.1
  • TI-2022-11366 Apache JSPWiki Cross-site scripting vulnerability on WeblogPlugin CVSS 3.1MEDIUM 6.1
  • TI-2022-11365 Apache JSPWiki CSRF in UserPreferences.jsp CVSS 3.1MEDIUM 6.5
  • TI-2024-17991 Apache JSPWiki: Cross-site scripting vulnerability on upload page CVSS 3.1MEDIUM 6.1
  • TI-2021-19841 Arbitrary file deletion on logout CVSS 3.1CRITICAL 9.1
See all 28 →

Sources