CVE-2021-47733 — MEDIUM (6.1)

Vulnerability Description

CMSimple 5.4 contains a cross-site scripting vulnerability that allows attackers to bypass input filtering by using HTML to Unicode encoding. Attackers can inject malicious scripts by encoding payloads like ')-alert(1)// and execute arbitrary JavaScript when victims interact with delete buttons.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Cmsimple	Cmsimple	5.4

Related Weaknesses (CWE)

CWE-79

References

https://www.cmsimple.org/en/Product
https://www.exploit-db.com/exploits/50612Exploit
https://www.vulncheck.com/advisories/cmsimple-cross-site-scripting-via-html-unicThird Party Advisory

FAQ

What is CVE-2021-47733?

CVE-2021-47733 is a vulnerability with a CVSS score of 6.1 (MEDIUM). CMSimple 5.4 contains a cross-site scripting vulnerability that allows attackers to bypass input filtering by using HTML to Unicode encoding. Attackers can inject malicious scripts by encoding payload...

How severe is CVE-2021-47733?

CVE-2021-47733 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-47733?

Check the references section above for vendor advisories and patch information. Affected products include: Cmsimple Cmsimple.