CVE-2025-3583

Public Exploit
Newsletter < 8.7.1 - Admin+ Stored XSS

Description

The Newsletter WordPress plugin before 8.7.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Third-Party Advisory wpscan.com
Affected: Unknown Newsletter
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/a6582e14-e21e-48e7-9b4c-0044fb199825/ third party advisory vdb entry exploit technical description

Frequently Asked Questions

What is the severity of CVE-2025-3583?
CVE-2025-3583 has been scored as a medium severity vulnerability.
How to fix CVE-2025-3583?
To fix CVE-2025-3583, 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-2025-3583 being actively exploited in the wild?
It is possible that CVE-2025-3583 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3583?
CVE-2025-3583 affects Unknown Newsletter.
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