A reflected cross-site scripting (XSS) vulnerability in the /index/login.html component…
Priority MEDIUM 60CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00198 9th 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-29933
- 2026-10-03 Alias added: GHSA-m982-7wj6-525g
References
More Yzmcms vulnerabilities
- TI-2020-14616 Cross Site Request Forgery (CSRF) vulnerability in yzmcms version 5.6, allows remote… CVSS 3.1HIGH 8.8
- TI-2024-18965 Cross Site Scripting (XSS) vulnerability in YzmCMS 7.0 allows attackers to run arbitrary… CVSS 3.1HIGH 7.1
- TI-2024-26201 A cross-site scripting (XSS) vulnerability in the Publish Article function of yzmcms v7.1… CVSS 3.1MEDIUM 6.1
- TI-2024-23204 A reflected XSS vulnerability has been found in YzmCMS 7.1. CVSS 3.1MEDIUM 5.5
- TI-2025-02981 YzmCMS message.tpl cross site scripting CVSS 4.0MEDIUM 5.3
- TI-2018-08263 The forgotten-password feature in index.php/member/reset/reset_email.html in YzmCMS v3.2… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2026-29933 · CVE Program
- CVE-2026-29933 · NVD
- FIRST EPSS
- GHSA-m982-7wj6-525g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences