Software intelligence
Important: Newsletter appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works
Tracked advisories
21
Latest advisory
19 August 2026
CISA KEV matches
0
In this WordPress feed
WordPress slug
newsletter
Plugin
This catalog lists 21 known advisories affecting Newsletter. The most recent was published on 19 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.
Newsletter – Send awesome emails from WordPress <= 9.3.3 - Unauthenticated Stored Cross-Site Scripting
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 19 August 2026
Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription
May trick authenticated users into performing unintended actions.
Published 19 January 2026
Newsletter <= 9.0.9 - Authenticated (Administrator+) SQL Injection
May allow attackers to read or modify database contents beyond intended access.
Published 15 December 2025
Known Newsletter advisories published by month.
CVE-2020-35933 · Published 3 August 2020
Affected versions: < 6.8.2
CVE-2020-35932 · Published 2 August 2020
Affected versions: < 6.8.2
No CVE assigned · Published 12 July 2020
Affected versions: ≤ 6.7.6
No CVE assigned · Published 16 March 2020
Affected versions: ≤ 6.5.3
No CVE assigned · Published 30 March 2015
Affected versions: ≤ 3.8.2
No CVE assigned · Published 14 May 2013
Affected versions: ≤ 3.2.6
SiteRespond Defence matches your installed Newsletter version against this catalog when the Defence plugin is connected to your WordPress site.