XSS in Basercms
CVE-2020-15273
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Basercms
- Baserproject Basercms — versions >= 4.0.0, < 4.4.1
Weakness classification (CWE)
References
- github.com/baserproject/basercms/security/advisories/GHSA-wpww-4jf4-4hx8 (Patch, Third Party Advisory)
- packagist.org/packages/baserproject/basercms (Third Party Advisory)
- github.com/baserproject/basercms/commit/b70474ef9dcee6ad8826360884625dc7ca9041a1 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15273?
- CVE-2020-15273 is a high-severity vulnerability in Basercms, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2020-10-30.
- How severe is CVE-2020-15273?
- High severity. CVSS v3 base score is 7.3 out of 10.