TI-2026-00836 Aliases CVE-2026-1107 GHSA-gcwp-v2vv-8h27

EyouCMS Member Avatar Diyajax.php check_userinfo unrestricted upload

LOW 25CWE-284Published 2026-01-18 · Updated 2026-02-23

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

A weakness has been identified in EyouCMS up to 1.7.1/5.0. Impacted is the function check_userinfo of the file Diyajax.php of the component Member Avatar Handler. Executing a manipulation of the argument viewfile can lead to unrestricted upload. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0052 44th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

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: Partial

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
—	EyouCMS	1.7.0; 1.7.1; 5.0	—	No fix listed	CNA

EyouCMS Vendor— Affected 1.7.0; 1.7.1; 5.0 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:eyoucms:eyoucms:1.7.0:::::::*	1.7.0	Vulnerable	Eyoucms
cpe:2.3:a:eyoucms:eyoucms:1.7.1:::::::*	1.7.1	Vulnerable	Eyoucms
cpe:2.3:a:eyoucms:eyoucms:5.0:::::::*	5.0	Vulnerable	Eyoucms

cpe:2.3:a:eyoucms:eyoucms:1.7.0:*:*:*:*:*:*:* Versions 1.7.0 Vulnerable ·Eyoucms
cpe:2.3:a:eyoucms:eyoucms:1.7.1:*:*:*:*:*:*:* Versions 1.7.1 Vulnerable ·Eyoucms
cpe:2.3:a:eyoucms:eyoucms:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Eyoucms

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-1107
2026-10-03 Alias added: GHSA-gcwp-v2vv-8h27

References

Exploit 1

https://github.com/24-2021/vul3/blob/main/Eyoucms/Eyoucms%3D1.7.1%20check_userinfo%20api%20viewfile%20exists%2C%20causing%20code%20execution%20due%20to%20file%20inclusion.md#poc

Other 1

https://github.com/24-2021/vul3/blob/main/Eyoucms/Eyoucms%3D1.7.1%20check_userinfo%20api%20viewfile%20exists%2C%20causing%20code%20execution%20due%20to%20file%20inclusion.md

TI-2025-40489 XML external entity (XXE) injection in eyoucms v1.7.1 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.1
TI-2022-21806 EyouCMS V1.5.9-UTF8-SP1 was discovered to contain a Cross-Site Request Forgery (CSRF) via… CVSS 3.1HIGH 8.8
TI-2022-21150 EyouCMS V1.5.9-UTF8-SP1 was discovered to contain a Cross-Site Request Forgery (CSRF) via… CVSS 3.1HIGH 8.8
TI-2024-03201 EyouCMS Backend deserialization CVSS 3.1HIGH 8.8
TI-2022-19923 EyouCMS V1.5.9 was discovered to contain multiple Cross-Site Request Forgery (CSRF)… CVSS 3.1HIGH 8.8
TI-2023-19203 eyoucms v1.6.3 was discovered to contain an information disclosure vulnerability via the… CVSS 3.1MEDIUM 5.3

See all 74 →

Sources

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