TI-2021-19553 Aliases CVE-2021-43741 GHSA-pf7h-2j4w-49wx

CMSimple 5.4 is vulnerable to Directory Traversal.

MEDIUM 50CWE-22Published 2022-04-13 · Updated 2024-08-04

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

CMSimple 5.4 is vulnerable to Directory Traversal. The vulnerability exists when a user changes the file name to malicious file on config.php leading to remote code execution.

Why it matters now

EPSS 0.04719 91st 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

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:cmsimple:cmsimple:5.4:::::::*	5.4	Vulnerable	Cmsimple

cpe:2.3:a:cmsimple:cmsimple:5.4:*:*:*:*:*:*:* Versions 5.4 Vulnerable ·Cmsimple

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-43741
2026-10-03 Alias added: GHSA-pf7h-2j4w-49wx

References

Exploit 1

https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-43741

Other 1

https://github.com/iiSiLvEr/CMSimple5.4-Vulnerabilities

TI-2024-37939 CMSimple 5.16 allows the user to edit log.php file via print page. CVSS 3.1CRITICAL 9.1
TI-2024-37940 CMSimple 5.16 allows the user to read cms source code through manipulation of the file… CVSS 3.1HIGH 7.5
TI-2024-37938 Insecure Permissions vulnerability in CMSimple v.5.16 allows a remote attacker to obtain… CVSS 3.1HIGH 7.5
TI-2024-37937 An issue in CMSimple v.5.16 allows a remote attacker to obtain sensitive information via… CVSS 3.1HIGH 7.5
TI-2021-22352 CMSimple 5.4 Authenticated Remote Code Execution via Template Editing CVSS 4.0HIGH 8.6
TI-2021-22351 CMSimple 5.4 Authenticated Local File Inclusion Remote Code Execution CVSS 4.0HIGH 8.6

See all 18 →

Sources

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