Vulnerability · Published Aug 6, 2021 · Assigned by mitre

CVE-2020-21353

Medium 5.4

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).

Severity (CVSS NVD)5.4Medium

Exploit odds (30 days)0.5%top 53.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A stored cross site scripting (XSS) vulnerability in /admin/snippets.php of GetSimple CMS 3.4.0a allows attackers to execute arbitrary web scripts or HTML via crafted payload in the Edit Snippets module.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1319 x_refsource_MISC