TI-2025-35185 Aliases CVE-2025-55824 GHSA-88x7-g88x-6rv4

ModStartCMS v9.5.0 has an arbitrary file write vulnerability, which allows attackers to…

LOW 30CWE-77Published 2025-09-02 · Updated 2025-09-03

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-77.

Summary

ModStartCMS v9.5.0 has an arbitrary file write vulnerability, which allows attackers to write malicious files and execute malicious commands to obtain sensitive data on the server.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00252 16th 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: 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

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:modstart:mostartcms:9.5.0:::::::*	9.5.0	Vulnerable	Modstart

cpe:2.3:a:modstart:mostartcms:9.5.0:*:*:*:*:*:*:* Versions 9.5.0 Vulnerable ·Modstart

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-55824
2026-10-03 Alias added: GHSA-88x7-g88x-6rv4

References

Exploit 1

https://gist.github.com/CTRLCCT/8f314998f30a95262e512b5417151ea1

TI-2024-30934 ModStartCMS v8.8.0 was discovered to contain an open redirect vulnerability in the… CVSS 3.1HIGH 7.2

Sources

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