CVE-2020-21353 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Get-Simple	Getsimplecms	3.4.0a

Related Weaknesses (CWE)

CWE-79

References

https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1319ExploitThird Party Advisory
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1319ExploitThird Party Advisory

FAQ

What is CVE-2020-21353?

CVE-2020-21353 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 modu...

How severe is CVE-2020-21353?

CVE-2020-21353 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-21353?

Check the references section above for vendor advisories and patch information. Affected products include: Get-Simple Getsimplecms.