What is CVE-2026-29933?

CVE-2026-29933 is a medium-severity vulnerability in Yzmcms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-26.

How severe is CVE-2026-29933?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Yzmcms

CVE-2026-29933

A reflected cross-site scripting (XSS) vulnerability in the /index/login.html component of YZMCMS v7.4 allows attackers to execute arbitrary Javascript in the context of the user's browser via modifying the referrer value in the request header.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Yzmcms — versions 7.4
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Mitigation, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-29933?: CVE-2026-29933 is a medium-severity vulnerability in Yzmcms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-26.
How severe is CVE-2026-29933?: Medium severity. CVSS v3 base score is 6.1 out of 10.