Vulnerability · Published Jun 20, 2023 · Assigned by mitre

CVE-2020-21246

Medium 5.4

In plain English

A medium-severity cross-site scripting in the sheng/yiicms package (Packagist). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.6%top 53.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Cross Site Scripting vulnerability in YiiCMS v.1.0 allows a remote attacker to execute arbitrary code via the news function.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistsheng/yiicms1.2.1GHSA-gqr4-cvf4-3957

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

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

References