Edit feed settings and others, Cross Site Scripting(XSS) Vulnerability in Latest Release 4.4.0

高 8.1CVE-2020-15273 · GHSA-wpww-4jf4-4hx8 · 30/10/2020 公開 · 17/06/2026 更新

要点

CVE-2020-15273 は baserproject/basercms, basercms (basercms) に影響する深刻度「高」 (CVSS 8.1) の脆弱性です。
今後30日間に悪用される確率（EPSS）：1.0%（全脆弱性の 63.7% より高い）。
対処：4.4.1 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
baserproject/basercms Packagist	`≥ 4.4.0, < 4.4.1`	`4.4.1`
basercms basercms	`≥ 4.0.0, < 4.4.1`	`4.4.1`

概要

baserCMS 4.4.0 and earlier is affected by Cross Site Scripting (XSS).

Impact: XSS via Arbitrary script execution. Attack vector is: Administrator must be logged in. Components are: Edit feed settings, Edit widget area, Sub site new registration, New category registration Tested baserCMS Version : 4.4.0 (Latest) Affected baserCMS Version : 4.0.0 ~ 4.4.0 Patches : https://basercms.net/security/20201029 Found by Aquilao Null

NVD の説明

baserCMS before version 4.4.1 is vulnerable to Cross-Site Scripting. The issue affects the following components: Edit feed settings, Edit widget area, Sub site new registration, New category registration. Arbitrary JavaScript may be executed by entering specific characters in the account that can access the file upload function category list, subsite setting list, widget area edit, and feed list on the management screen. The issue was introduced in version 4.0.0. It is fixed in version 4.4.1.