Vulnerability · Published Apr 28, 2023 · Assigned by mitre
CVE-2023-28820
Low 2.0
In plain English
A low-severity cross-site scripting in the concrete5/concrete5 package (Packagist). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)2.0Low
Exploit odds (30 days)0.4%top 66.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | concrete5/concrete5 | 9.1.0 | GHSA-fgxj-g7x3-85cq |
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AC:H/AV:N/A:N/C:L/I:N/PR:H/S:U/UI:R