CVE-2021-39496: Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into `filename` param to trigger Reflected XSS

Medium severity · published Sep 7, 2021

CVE-2021-39496

Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into `filename` param to trigger Reflected XSS

5.4

CVSS

0.6%

EPSS

On KEV

Description

Eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject malicious code into `filename` param to trigger Reflected XSS.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

Low

User interaction

Required

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)0.6% · higher than 50% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Eyoucms · Eyoucms

1.5.4 · source: NVD

Affected product

Eyoucms

All Eyoucms CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-39496

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-39496

Exploit

https://github.com/KietNA-HPT/CVE

Third Party Advisory

https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4