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TI-2021-03412 Aliases CVE-2021-20112GHSA-cffr-47qj-jmf7

Cross-site scripting in TCExam

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A stored cross-site scripting vulnerability exists in TCExam <= 14.8.1. Valid files uploaded via tce_select_mediafile.php with a filename beggining with a period will be rendered as text/html. An attacker with access to tce_select_mediafile.php could upload a malicious javascript payload which would be triggered when another user views the file.

Why it matters now

EPSS 0.00634 50th 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

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—TCExam14.8.1—No fix listedCNA
  • TCExam Vendor— Affected 14.8.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tecnick:tcexam:*:*:*:*:*:*:*:*up to 14.8.1VulnerableTecnick
  • cpe:2.3:a:tecnick:tcexam:*:*:*:*:*:*:*:* Versions up to 14.8.1 Vulnerable ·Tecnick

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-20112
  2. 2026-10-03 Alias added: GHSA-cffr-47qj-jmf7
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • TI-2021-03414 When installed following the default/recommended settings, TCExam <= 14.8.1 allowed… CVSS 3.1HIGH 7.5
  • TI-2010-02065 Unrestricted file upload vulnerability in admin/code/tce_functions_tcecode_editor.php in… CVSS 2.0MEDIUM 6.8
  • TI-2012-03619 Multiple SQL injection vulnerabilities in TCExam before 11.3.008 allow remote… CVSS 2.0MEDIUM 6.8
  • TI-2020-04673 Cross-site request forgery in TCExam CVSS 3.1HIGH 7.4
  • TI-2023-06005 Missing authorisation in TCExam CVSS 3.1MEDIUM 6.5
  • TI-2020-04678 Cross-site scripting in TCExam CVSS 3.1MEDIUM 6.1
See all 22 →

Sources

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