CVE Catalog

CVE-2026-52307

MediumCVSS 5.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.34%

28th percentile - higher than 28% of all known CVEs

Summary

An authenticated stored cross-site scripting (XSS) vulnerability in the Column Management component of ClassCMS 1CMS v5.6 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the title field.

Risk Assessment

The risk includes potential theft of administrator sessions, modification of page content, and spreading malicious code among users visiting infected pages.

Recommendation

It is recommended to upgrade ClassCMS to the latest version containing a fix and to implement input validation and output encoding for title fields in the Column Management component.

Related vulnerabilities

Original NVD description (English source)

An authenticated stored cross-site scripting (XSS) vulnerability in the Column Management component of ClassCMS 1CMS v5.6 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the title field.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS