CVE-2021-43725

Name: CVE-2021-43725
Creator: NVD / NIST
Published: 2022-03-28T13:15:07.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 2.58%

Last modified Jun 17, 2026

CVE-2021-43725 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. There is a Cross Site Scripting (XSS) vulnerability in SpotPage_login.php of Spotweb 1.5.1 and below, which allows remote attackers to inject arbitrary web script or HTML via the data[performredirect] parameter.. EPSS estimates a 2.58% chance of exploitation in the next 30 days.

Description

There is a Cross Site Scripting (XSS) vulnerability in SpotPage_login.php of Spotweb 1.5.1 and below, which allows remote attackers to inject arbitrary web script or HTML via the data[performredirect] parameter.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

2.58%

83.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Spotweb Project	Spotweb	<= 1.5.1

References

https://github.com/spotweb/spotweb/commit/2bfa001689aae96009688a193c64478647ba45a1Patch, Third Party Advisory
https://github.com/spotweb/spotweb/issues/718Exploit, Issue Tracking, Third Party Advisory
https://github.com/spotweb/spotweb/commit/2bfa001689aae96009688a193c64478647ba45a1Patch, Third Party Advisory
https://github.com/spotweb/spotweb/issues/718Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Mar 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43725?

How severe is CVE-2021-43725?

CVE-2021-43725 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 2.58% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43725?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43725?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST