Host Header Injection Fix
v3.7Sets custom headers for WP notification emails. Also fixes a security issue with WP versions < 5.5.
by Jeff Starr · Website
Rank
18 hours ago
Official installs
public bucket
Est. installs
Total downloads
all time
Rating
6 reviews
Support threads
open topics
Support resolved
of threads
Tested up to
compatibility
Historical growth
Growth %, estimated installs, rank and downloads — updated daily.
Install, rank and growth cover 11 of the last 30 days; downloads go back 90.
Growth %
Daily active-install growth.
Estimated installs
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WP.org popularity order — lower is better.
Downloads
Cumulative downloads over the selected range.
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| Metric | |  |  |  |
|---|---|---|---|---|
| Estimated installs | 504 | 2K | 1.7K | 3.9K |
| WP.org rank | #9,233 | #5,170 | #5,732 | #3,712 |
| 30d growth | +203% | -0.6% | +261% | -25.5% |
| Rating | 5 ★ | 4.8 ★ | 4.6 ★ | 4.8 ★ |
| Reviews | 6 | 24 | 126 | 33 |
| Support resolved | — | — | — | 33% |
| Version | 3.7 | 4.1.3 | 4.1.3 | 1.40.0 |
| Tested up to | 7.1 | 5.2.24 | 7.1 | 7.0.2 |
Review stats
Development activity
- Last updated
- 2026-07-18 5:29pm GMT
- Latest version
- 3.7
- Compatible up to
- WordPress 7.1
- Requires
- WordPress 4.7
- Developer
- Jeff Starr
- Plugin site
- Visit
Estimated installs
504
Confidence
high
Data updated
Aug 5, 2026
Tracking since
2026-07-26