PT-2025-24402 · WordPress · The Newsletter
Dmitry Ignatyev
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Published
2025-06-09
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Updated
2025-06-09
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CVE-2025-3581
CVSS v3.1
4.8
Medium
| Vector | AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Name of the Vulnerable Software and Affected Versions
The Newsletter WordPress plugin versions prior to 8.8.5
Description
The issue concerns a lack of validation and escaping of certain Widget options in the plugin, which can lead to Stored Cross-Site Scripting attacks. This can be exploited by high-privilege users, such as admins, even when the unfiltered html capability is disallowed, for example, in multisite setups.
Recommendations
For versions prior to 8.8.5, update to version 8.8.5 or later to resolve the issue.
Exploit
Fix
XSS
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Weakness Enumeration
Related Identifiers
Affected Products
The Newsletter