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Vulnerability record · CVE-2018-18943 · published 5 November 2018

CVE-2018-18943: Basercms cross-site scripting vulnerability

Basercms · Basercms

An issue was discovered in baserCMS before 4.1.4. In the Register New Category feature of the Upload menu, the category name can be used for XSS via the data[UploaderCategory][name] parameter to an admin/uploader/uploader_categories/edit URI.

4.8 CVSS 3.0 Medium EPSS 0.73% · top 47.4% CWE-79 · Cross-site scripting
4.8CVSS 3.0 base score, v2 3.5
0.73%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in baserCMS before 4.1.4. In the Register New Category feature of the Upload menu, the category name can be used for XSS via the data[UploaderCategory][name] parameter to an admin/uploader/uploader_categories/edit URI.

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://sunu11.com/2018/10/31/baserCMS/ ExploitThird Party Advisory
https://basercms.net/release/4_1_4 Release NotesVendor Advisory
http://sunu11.com/2018/10/31/baserCMS/ ExploitThird Party Advisory
https://basercms.net/release/4_1_4 Release NotesVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-18943), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.