TI-2021-12747 Aliases CVE-2021-33199 GHSA-95cm-jhq2-c7fg

In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the…

MEDIUM 45CWE-20Published 2021-08-12 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the untrusted input value of input->get('file') instead of the fixed file names of icon.png and icon.svg.

Why it matters now

EPSS 0.01361 71st percentileScored 2026-11-07

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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:expressionengine:expressionengine::::::::	before 6.0.3	Vulnerable	ExpressionEngine

cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:* Versions before 6.0.3 Vulnerable ·ExpressionEngine

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-33199
2026-10-03 Alias added: GHSA-95cm-jhq2-c7fg

References

Patch 1

https://github.com/ExpressionEngine/ExpressionEngine/compare/6.0.1...6.0.3#diff-17bcb23e5666fc2dccb79c7133e9eeb701847f67ae84fbde0a673c3fd3d109e0R508

Advisory 1

https://github.com/ExpressionEngine/ExpressionEngine/releases/tag/6.0.3

TI-2020-10544 ExpressionEngine before 5.3.2 allows remote attackers to upload and execute arbitrary… CVSS 3.1HIGH 8.8
TI-2021-08771 ExpressionEngine before 5.4.2 and 6.x before 6.0.3 allows PHP Code Injection by certain… CVSS 3.1HIGH 8.8
TI-2023-09084 In ExpressionEngine before 7.2.6, remote code execution can be achieved by an authenticated Control Panel user. CVSS 3.1HIGH 8.8
TI-2017-00845 ExpressionEngine version 2.x < 2.11.8 and version 3.x < 3.5.5 create an object signing… CVSS 3.0HIGH 7.5
TI-2020-06660 SQL injection in ExpressionEngine CVSS 3.1HIGH 7.2
TI-2014-04390 Multiple SQL injection vulnerabilities in EllisLab ExpressionEngine before 2.9.1 allow… CVSS 2.0MEDIUM 6.5

See all 13 →

Sources

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