Vulnerability · Published Aug 28, 2020 · Assigned by GitHub_M

CVE-2020-15154Cross Site Scripting in baserCMS

High 7.3

In plain English

A high-severity cross-site scripting in basercms from baserproject. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)1.0%top 36.7% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) via arbitrary script execution. Admin access is required to exploit this vulnerability. The affected components are: content_fields.php, content_info.php, content_options.php, content_related.php, index_list_tree.php, jquery.bcTree.js. The issue is fixed in version 4.3.7.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	baserproject/basercms	4.3.7	GHSA-cpxc-67rc-c775

Affected products (as reported)

Vendor	Product	Versions
baserproject	basercms	unspecified – before < 4.3.7

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N

References

https://github.com/baserproject/basercms/security/advisories/GHSA-cpxc-67rc-c775 x_refsource_CONFIRM
https://basercms.net/security/20200827 x_refsource_MISC