Mailster WordPress Newsletter Plugin · Security record
Is Mailster WordPress Newsletter Plugin safe?
7 known vulnerabilities affect the current version (2.0.3).
Checked 2 days ago against the WPVulnerability database, for version 2.0.3.
How it’s looked after
- Last release
- Oct 15, 2026 (3 weeks ago)
- Releases in the last year
- 1
- Tested up to
- WordPress 7.1.4
- Support resolved
- 1 of 1 threads in two months
- Active installs
- 7K+
8 known vulnerabilities
- 4 high
- 4 not rated
7 affect the current version.
Disclosed each year
- 20202
- 20243
- 20251
- 20261
Every known vulnerability in Mailster WordPress Newsletter Plugin
Newest first, with any that affect the current version at the top.
Affects the current version · Fixed in 4.1.18 · CVE-2026-27064 · Jul 22, 2026 · Wordfence
Affects the current version · Fixed in 4.1.14 · CVE-2025-64203 · Oct 27, 2025 · Wordfence
Affects the current version · Fixed in 4.0.10 · CVE-2024-37433 · Jun 28, 2024 · Wordfence
Affects the current version · Fixed in 4.0.7 · CVE-2024-32523 · Apr 15, 2024 · Wordfence
Affects the current version · Fixed in 2.4.9 · Oct 14, 2020 · Wordfence
Affects the current version · Fixed in 2.4.9 · Oct 14, 2020 · Patchstack
Affects the current version · Fixed in 2.4.9 · WPScan
Fixed in 2.0.0 · CVE-2024-30503 · Mar 28, 2024 · Wordfence
Questions about Mailster WordPress Newsletter Plugin’s security
Is Mailster WordPress Newsletter Plugin safe to use?
Yes: 7 known vulnerabilities affect version 2.0.3, according to WPVulnerability’s database. Until a fixed version is out, weigh the risk, or switch to an alternative.
Does Mailster WordPress Newsletter Plugin have known security vulnerabilities?
Yes: 7 known vulnerabilities affect version 2.0.3, according to WPVulnerability’s database.
Is Mailster WordPress Newsletter Plugin still maintained?
Yes. Its last release was 3 weeks ago. Its authors resolved 1 of the 1 support threads opened in the last two months.
Is Mailster WordPress Newsletter Plugin compatible with the latest WordPress?
Yes. It’s tested up to WordPress 7.1.4, the current version.
Hear about the next one first
Track your plugin on TrackWP and get an alert when a new vulnerability affecting it is published. Every plan has it, the free Starter too; Boost and FullCharge email it at once.
Start freeVulnerability data from WPVulnerability (CC0), which gathers records from CVE, Wordfence, Patchstack and WPScan. A clean record isn’t a guarantee: keep every plugin updated.