# CVE-2026-52307

## Summary

- **CVE ID:** CVE-2026-52307
- **Severity:** MEDIUM
- **CVSS Score:** 5.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
- **CWE:** N/A
- **Published:** Sep 8, 2026
- **Last Modified:** Sep 14, 2026

## Description

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.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://classcms.com)
- [CNA](https://github.com/linan-OO/CVE-2026-52307)
- [CVE](http://seclists.org/fulldisclosure/2026/Sep/31)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 18.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._