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TI-2026-23008 Aliases CVE-2026-28814GHSA-9c4x-gmwm-cj68

Apache JSPWiki: Pre-Authentication Arbitrary Wiki Markup Rendering

Priority MEDIUM 40CWE-306Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-306.

Summary

Arbitrary Wiki Markup rendering due to lack of authentication in Apache JSPWiki up to 2.12.3 allows attacker to obtain sensitive data stored in JSPWiki variables. Users are recommended to upgrade to version 2.12.4 or 3.0.0, which fixes this issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00657 51st 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
Partial

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-2026-23006 Apache JSPWiki: UserManager does not sanity-check user database at startupPriority MEDIUM 50
    • TI-2026-23007 Apache JSPWiki: JSPWiki vulnerable to JSON hijackingPriority MEDIUM 40
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28814
  2. 2026-10-03 Alias added: GHSA-9c4x-gmwm-cj68
  3. 2026-10-11 EPSS moved to the 50th–90th percentile

References

Advisory 2

  • 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-2026-23006 Apache JSPWiki: UserManager does not sanity-check user database at startup CVSS 3.1CRITICAL 9.8
See all 28 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences