CVE-2021-25033

Public Exploit
Noptin < 1.6.5 - Open Redirect

Description

The WordPress Newsletter Plugin WordPress plugin before 1.6.5 does not validate the to parameter before redirecting the user to its given value, leading to an open redirect issue

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.65%
Third-Party Advisory wordpress.org Third-Party Advisory wpscan.com
Affected: Unknown WordPress Newsletter Plugin – Noptin
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-25033?
CVE-2021-25033 has been scored as a medium severity vulnerability.
How to fix CVE-2021-25033?
To fix CVE-2021-25033, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-25033 being actively exploited in the wild?
It is possible that CVE-2021-25033 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-25033?
CVE-2021-25033 affects Unknown WordPress Newsletter Plugin – Noptin.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.