CVE-2026-30879 Details
Description
baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has a cross-site scripting vulnerability in blog posts. This issue has been patched in version 5.2.3.
A cross-site scripting (XSS) vulnerability has been identified in baserCMS versions prior to 5.2.3, specifically within the blog post editing feature. This issue allows for the execution of malicious JavaScript in blog posts.
Users are advised to update baserCMS to version 5.2.3 or later.
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.
CISA-ADP
Assessed Mar 31, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://basercms.net/security/JVN_20837860 | [email protected] | Vendor Advisory |
| https://github.com/baserproject/basercms/releases/tag/5.2.3 | [email protected] | Release Notes |
| https://github.com/baserproject/basercms/security/advisories/GHSA-jmq3-x8q7-j9qm | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| basercms basercms | < 5.2.3 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 1, 2026 | Initial Analysis | [email protected] |
| Mar 31, 2026 | New CVE Received | [email protected] |