TI-2024-28678 Aliases CVE-2024-42939 GHSA-x3c7-p6rq-8fr6

A cross-site scripting (XSS) vulnerability in the component /index/index.html of YZNCMS…

MEDIUM 58CWE-79Published 2024-08-21 · Updated 2024-08-21

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 cross-site scripting (XSS) vulnerability in the component /index/index.html of YZNCMS v1.4.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the configured remarks text field.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00324 25th 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: Poc
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
—	—	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:yzncms:yzncms:1.4.2:::::::*	1.4.2	Vulnerable	Yzncms

cpe:2.3:a:yzncms:yzncms:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·Yzncms

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-42939
2026-10-03 Alias added: GHSA-x3c7-p6rq-8fr6

References

Exploit 1

https://github.com/tcyba/open_vul/blob/main/yzncms%20has%20a%20storage%20xss%20vulnerability.pdf

TI-2023-18791 A Cross-Site Request Forgery (CSRF) in the component /public/admin/profile/update.html of… CVSS 3.1MEDIUM 6.5
TI-2023-23145 A stored cross-site scripting (XSS) vulnerability in the cms/content/edit component of… CVSS 3.1MEDIUM 6.1
TI-2025-19144 An arbitrary file upload vulnerability in the plugin installation feature of YZNCMS… CVSS 3.1MEDIUM 4.4

Sources

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