CVE-2026-52307 Details
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.
A stored cross-site scripting vulnerability has been identified in the Column Management component of ClassCMS 1CMS version 5.6. This vulnerability allows authenticated administrators to inject arbitrary web scripts or HTML into the title field. The injected script is executed in the browsers of users who view the article list or detail page containing the malicious title.
Users are advised to upgrade to the latest version of 1CMS if a patch is available, implement proper input sanitization and output encoding, restrict administrator access to trusted users, and consider using Content Security Policy headers.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 8, 2026CISA-ADP
Assessed Sep 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| http://seclists.org/fulldisclosure/2026/Sep/31 | CVE | AdvisoryExploitMailing ListRemedy |
| http://classcms.com | [email protected] | Broken LinkVendor |
| https://github.com/linan-OO/CVE-2026-52307 | [email protected] | ExploitTechnical Description |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| ClassCMS 1CMS | 1CMS v5.6 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 14, 2026 | CVE Modified | CISA-ADP |
| Sep 8, 2026 | CVE Modified | CVE |
| Sep 8, 2026 | New CVE Received | [email protected] |
Volerion