Newsletter – Send awesome emails from WordPress: known security problems
24 known security problems reported for this WordPress plugin, with the affected versions, the fix and what to do.
Updated
In short
There are 24 known security problems on this page. Each one has a fixed version. Updating to version 9.4.1 or newer covers every fixed problem listed here.
Based on public reports. Check the plugin’s changelog. Watchfox AI may be wrong.
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A stranger could plant harmful code that runs for your visitors or admins (up to and including 9.4.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.4.0
- Fixed in
- 9.4.1
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 9.4.1 or newer.
- Official ID
- CVE-2026-96566
- Report title
- Newsletter <= 9.4.0 - Unauthenticated Stored Cross-Site Scripting via 'np1' Custom Field Parameter
- First reported
- Sources
- Wordfence, seen
A stranger could use it to harm your site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.3.9
- Fixed in
- 9.4.0
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 9.4.0 or newer.
- Official ID
- CVE-2026-92537
- Report title
- Newsletter <= 9.3.9 - Unauthenticated Insufficiently Protected Credentials via '/tnp/l/' Click-Tracking REST Endpoint (Raw Subscriber Token Cookie Disclosure)
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 9.3.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.3.8
- Fixed in
- 9.3.9
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 9.3.9 or newer.
- Official ID
- CVE-2026-90981
- Report title
- Newsletter <= 9.3.8 - Reflected Cross-Site Scripting via 'nn' Parameter
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 9.3.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.3.3
- Fixed in
- 9.3.4
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 9.3.4 or newer.
- Official ID
- CVE-2026-66596
- Report title
- Newsletter – Send awesome emails from WordPress <= 9.3.3 - Unauthenticated Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could trick a logged-in admin into changing settings without knowing (up to and including 9.1.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.1.0
- Fixed in
- 9.1.1
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 9.1.1 or newer.
- Official ID
- CVE-2026-1051
- Report title
- Newsletter – Send awesome emails from WordPress <= 9.1.0 - Cross-Site Request Forgery to Newsletter Unsubscription
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could read or change the data in your site’s database
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 9.0.9
- Fixed in
- 9.1.0
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 9.1.0 or newer.
- Official ID
- CVE-2025-67999
- Report title
- Newsletter <= 9.0.9 - Authenticated (Administrator+) SQL Injection
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could plant harmful code that runs for your visitors or admins (up to and including 8.8.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.8.4
- Fixed in
- 8.8.5
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 8.8.5 or newer.
- Official ID
- CVE-2025-3581
- Report title
- Newsletter <= 8.8.4 - Authenticated (Administrator+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone who already has an admin account could plant harmful code that runs for your visitors or admins (up to and including 8.8.4) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.8.4
- Fixed in
- 8.8.5
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 8.8.5 or newer.
- Official ID
- CVE-2025-3582
- Report title
- Newsletter <= 8.8.4 - Authenticated (Administrator+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 8.8.1)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.8.1
- Fixed in
- 8.8.2
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 8.8.2 or newer.
- Official ID
- CVE-2025-3584
- Report title
- Newsletter <= 8.8.1 - Authenticated (Admin+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 8.7.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.7.0
- Fixed in
- 8.7.1
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 8.7.1 or newer.
- Official ID
- CVE-2025-3583
- Report title
- Newsletter <= 8.7.0 - Authenticated (Admin+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
A stranger could plant harmful code that runs for your visitors or admins (up to and including 8.3.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.3.4
- Fixed in
- 8.3.5
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 8.3.5 or newer.
- Official ID
- CVE-2024-5317
- Report title
- Newsletter <= 8.3.4 - Unauthenticated Stored Cross-Site Scripting via np1
- First reported
- Sources
- Wordfence, seen
Someone could trick a logged-in admin into changing settings without knowing (up to and including 8.0.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.0.6
- Fixed in
- 8.0.7
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 8.0.7 or newer.
- Official ID
- CVE-2024-31434
- Report title
- Newsletter <= 8.0.6 - Cross-Site Request Forgery
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 8.2.0)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.2.0
- Fixed in
- 8.2.1
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 8.2.1 or newer.
- Official ID
- CVE-2024-30522
- Report title
- Newsletter <= 8.2.0 - IP Spoofing
- First reported
- Sources
- Wordfence, seen
Someone could trick a logged-in admin into changing settings without knowing (up to and including 8.0.6) (2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 8.0.6
- Fixed in
- 8.0.7
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 8.0.7 or newer.
- Report title
- Newsletter <= 8.0.6 - Cross-Site Request Forgery
- First reported
- Sources
- Wordfence, seen
Someone with a contributor account on your site could plant harmful code that runs for your visitors or admins
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 7.8.9
- Fixed in
- 7.9.0
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 7.9.0 or newer.
- Official ID
- CVE-2023-4772
- Report title
- Newsletter <= 7.8.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 7.6.8)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 7.6.8
- Fixed in
- 7.6.9
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 7.6.9 or newer.
- Official ID
- CVE-2023-27922
- Report title
- Newsletter <= 7.6.8 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 7.4.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 7.4.6
- Fixed in
- 7.4.6
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 7.4.6 or newer.
- Official ID
- CVE-2022-1889
- Report title
- Newsletter <= 7.4.5 - Authenticated (Admin+) Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 7.4.4)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 7.4.4
- Fixed in
- 7.4.5
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 7.4.5 or newer.
- Official ID
- CVE-2022-1756
- Report title
- Newsletter – Send awesome emails from WordPress <= 7.4.4 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (before 6.8.2)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 6.8.2
- Fixed in
- 6.8.2
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 6.8.2 or newer.
- Official ID
- CVE-2020-35933
- Report title
- Newsletter <= 6.8.1 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could in some setups, take over your site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Before 6.8.2
- Fixed in
- 6.8.2
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 6.8.2 or newer.
- Official ID
- CVE-2020-35932
- Report title
- Newsletter <= 6.8.1 - Authenticated PHP Object Injection
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 6.7.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.7.6
- Fixed in
- 6.7.7
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 6.7.7 or newer.
- Report title
- Newsletter <= 6.7.6 - Stored Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Someone could use it to harm your site (up to and including 6.5.3)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 6.5.3
- Fixed in
- 6.5.4
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 6.5.4 or newer.
- Report title
- Newsletter <= 6.5.3 - CSV Injection
- First reported
- Sources
- Wordfence, seen
Someone could send your visitors from your site to a harmful site
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.8.2
- Fixed in
- 3.8.3
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 3.8.3 or newer.
- Report title
- Newsletter <= 3.8.2 - Open Redirect
- First reported
- Sources
- Wordfence, seen
Someone could plant harmful code that runs for your visitors or admins (up to and including 3.2.6)
A trusted security source confirmed it. If your site has an affected version, fix it this week.
- Affected versions
- Up to and including 3.2.6
- Fixed in
- 3.2.7
- What to do
- If your site has an affected version, update Newsletter – Send awesome emails from WordPress to version 3.2.7 or newer.
- Report title
- Newsletter <= 3.2.6 - Reflected Cross-Site Scripting
- First reported
- Sources
- Wordfence, seen
Where this comes from
We collect these reports from public security sources and rewrite them in plain words. Each problem shows its sources and the date we first saw it. This page never says whether your own site is affected: only a check of your site’s versions can tell.
Get an email when your site is affected.
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