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TI-2026-36170 Aliases CVE-2026-48910GHSA-g956-w8r6-2m72

Apache JSPWiki: Markdown parser allows XSS injection in Markdown error processing

Priority LOW 30CWE-80Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-80.

Summary

A carefully crafted editing request could trigger an XSS vulnerability on Apache JSPWiki when parsing errors on the markdown renderer, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. This issue affects Apache JSPWiki: through 2.12.3. Users are recommended to upgrade to version 2.12.4, which fixes the issue.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0056 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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 JSPWikiup to 2.12.3—No fix listedCNA
  • Apache JSPWiki VendorApache Affected up to 2.12.3 Fixed in — No fix listed 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

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-48910
  2. 2026-10-03 Alias added: GHSA-g956-w8r6-2m72

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