PT-2020-14333 · Basercms · Basercms

Yama · Published 2020-10-30 · Updated 2020-11-03 · CVE-2020-15276

Positive Technologies (AI Summary)

CVSS v3.1

8.7

High

Base vector

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

Name of the Vulnerable Software and Affected Versions baserCMS versions 4.0.0 through 4.4.0

Description The issue affects the blog comment component, allowing arbitrary JavaScript execution by entering a crafted nickname in blog comments. This can lead to Cross-Site Scripting (XSS) via arbitrary script execution. The components affected are blog comment posting.

Recommendations For versions 4.0.0 through 4.4.0, update to version 4.4.1 to resolve the issue. As a temporary workaround, consider restricting the use of the blog comment component until the update is applied.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-15276

GHSA-FW5Q-J9P4-3VXG

Affected Products

Basercms

References · 6

• https://github.com/baserproject/basercms/commit/d14f506385f21d67d5ff3462f204d4c2321b7c54 · Patch
• https://github.com/baserproject/basercms/security/advisories/GHSA-fw5q-j9p4-3vxg · Patch
• https://basercms.net/security/20201029 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-15276 · Security Note
• https://osv.dev/vulnerability/GHSA-fw5q-j9p4-3vxg · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-15276 · Vendor Advisory