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TI-2026-73906 Aliases CVE-2026-103904GHSA-xqfj-gwfj-j97g

Stored cross-site scripting in JTL-Shop consent statistics

Priority LOW 39CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

JTL-Software GmbH JTL-Shop from 5.4.0 before 5.6.5, from 5.7.0 before 5.7.5 and from 5.8.0 before 5.8.2 accepts arbitrary consent names on its public consent endpoint without checking them against the configured consent items. The stored names are displayed without output encoding in the administration backend, which is a cross-site scripting flaw (CWE-79). An unauthenticated remote attacker can inject script code that runs in the browser of an administrator who views the consent statistics page, so actions are performed with that administrator's privileges.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The public consent endpoint of JTL-Shop accepts arbitrary consent names from unauthenticated visitors without validating them against the configured consent items. These names are stored in the consent statistics and rendered without output encoding in the administration backend. An unauthenticated remote attacker can thereby inject script code that is executed in the browser session of an administrator viewing the consent statistics page, allowing actions to be performed with the administrator's privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00404 34th percentileScored 2026-11-07
Fix Fixed JTL-Shop (JTL-Software GmbH): 5.6.5, 5.7.5, 5.8.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
JTL-Software GmbHJTL-Shop5.4.0 to before 5.6.5; 5.7.0 to before 5.7.5; 5.8.0 to before 5.8.25.6.5, 5.7.5, 5.8.2Patch availableCNA
  • JTL-Shop VendorJTL-Software GmbH Affected 5.4.0 to before 5.6.5; 5.7.0 to before 5.7.5; 5.8.0 to before 5.8.2 Fixed in 5.6.5, 5.7.5, 5.8.2 Patch available CNA

Remediation

Update JTL-Shop to 5.6.5, 5.7.5 or 5.8.2, depending on the release line in use.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA JTL-Shop (JTL-Software GmbH) Fixed in 5.6.5, 5.7.5, 5.8.2

Fixed in the same release

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

  • Release ·

    JTL-Software JTL-Shop 5.6.5, 5.7.5, 5.8.2

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-73907 Unauthenticated plugin safe mode toggle in JTL-Shop enables denial of servicePriority MEDIUM 44
    Show all 2 records →

Timeline

  1. 2026-10-14 Threatist record created from CVE-2026-103904
  2. 2026-10-14 Alias added: GHSA-xqfj-gwfj-j97g
  3. 2026-10-14 CISA SSVC decision points changed
  4. 2026-10-14 Priority changed: MEDIUM → LOW

References

Advisory 1

  • TI-2026-39268 JTL Shop < 5.7.2 Server-Side Template Injection via Smarty Renderer CVSS 4.0CRITICAL 9.3
  • TI-2026-73907 Unauthenticated plugin safe mode toggle in JTL-Shop enables denial of service CVSS 4.0HIGH 8.7
  • TI-2010-00659 SQL injection vulnerability in druckansicht.php in JTL-Shop 2 allows remote attackers to… CVSS 2.0HIGH 7.5

Sources

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