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TI-2023-16839 Aliases CVE-2023-33971

Formcreator vulnerable to stored XSS from ##FULLFORM##

Priority MEDIUM 60CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Formcreator is a GLPI plugin which allow creation of custom forms and the creation of one or more tickets when the form is filled. A probable stored cross-site scripting vulnerability is present in Formcreator 2.13.5 and prior via the use of the use of `##FULLFORM##` for rendering. This could result in arbitrary javascript code execution in an admin/tech context. A patch is unavailable as of time of publication. As a workaround, one may use a regular expression to remove `< > "` in all fields.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00551 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
pluginsGLPIformcreatorup to 2.13.5—No fix listedCNA
  • formcreator VendorpluginsGLPI Affected up to 2.13.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:teclib-edition:form_creator:2.13.5:*:*:*:*:glpi:*:*2.13.5VulnerableTeclib-edition
  • cpe:2.3:a:teclib-edition:form_creator:2.13.5:*:*:*:*:glpi:*:* Versions 2.13.5 Vulnerable ·Teclib-edition

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-33971

References

Exploit 1

  • TI-2024-36046 The Addressing GLPI plugin allows data enumeration through uncontrolled object instantiation CVSS 3.1HIGH 8.2
  • TI-2026-38943 Tag Plugin for GLPI 11 before 2.14.4 Stored Cross-Site Scripting in Kanban Badge Rendering CVSS 4.0HIGH 7.3
  • TI-2025-20010 Escalade GLPI Plugin Vulnerable to Improper Access Control CVSS 3.1MEDIUM 6.5
  • TI-2026-09772 GLPI DataInjection Plugin Authenticated SQL Injection via CSV Import CVSS 4.0HIGH 7.1
  • TI-2024-30621 Fields GLPI plugin has an Authenticated SQL Injection CVSS 3.1HIGH 7.7
  • TI-2025-40221 GLPI Database Inventory Plugin Vulnerable to Stored Object Injection CVSS 3.1MEDIUM 6.4

Sources

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