PHP Compatibility Checker · Security record
Is PHP Compatibility Checker safe?
No known vulnerability affects the current version (1.6.3). 1 issue was found in earlier versions and fixed, the latest disclosed on Apr 6, 2023.
Checked 4 days ago against the WPVulnerability database, for version 1.6.3.
How it’s looked after
- Last release
- Jul 20, 2026 (3 months ago)
- Releases in the last year
- 1
- Tested up to
- WordPress 6.4.14 (current: 7.1)
- Active installs
- 200K+
1 known vulnerability
- 1 medium
None affects the current version.
Every known vulnerability in PHP Compatibility Checker
Newest first, with any that affect the current version at the top.
Fixed in 1.6.0 · CVE-2023-24421 · Apr 6, 2023 · Wordfence
Questions about PHP Compatibility Checker’s security
Is PHP Compatibility Checker safe to use?
No known vulnerability affects its current version. Earlier versions had issues that are now fixed, so keep PHP Compatibility Checker updated: most attacks target sites that haven’t updated.
Does PHP Compatibility Checker have known security vulnerabilities?
None that affect the current version. WPVulnerability’s database lists 1 older issue, fixed in earlier versions, so keep PHP Compatibility Checker up to date.
Is PHP Compatibility Checker still maintained?
Yes. Its last release was 3 months ago. No support threads were opened in the last two months.
Is PHP Compatibility Checker compatible with the latest WordPress?
PHP Compatibility Checker’s readme says it’s tested up to WordPress 6.4.14, while the current version is 7.1. That doesn’t mean it breaks, but its author hasn’t confirmed it works with the latest releases.
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.