Klaviyo
Healthy: Klaviyo is maintained, has no open risk signals and no unpatched vulnerabilities.
| Ownership | 100 |
|---|---|
| Maintenance | 100 |
| Security | 100 |
| Support | 70 |
| Reputation | 70 |
Active signals
Facts we detected, with links to the source.
No open risk signals. Signals appear here when we detect an ownership change, closure, vulnerability or decline.
Ownership timeline
Who commits to the plugin's code on wordpress.org, over time.
| bialecki | 11 Apr 2012 to 22 Oct 2019, 28 commits |
|---|---|
| klaviyo | 25 Oct 2019 to 28 Oct 2026, 100 commits |
2 committers recorded. No ownership changes recorded since 3 Nov 2026.
Maintenance
- Last release
- 7 days ago
- Releases, 24 months
- 15
- Tested up to
- 7.0 vs 7.1
- Requires PHP
- 7.4 supported 8.2+
| Q1 2024 | 4 |
|---|---|
| Q2 2024 | 0 |
| Q3 2024 | 1 |
| Q4 2024 | 2 |
| Q1 2025 | 1 |
| Q2 2025 | 3 |
| Q3 2025 | 1 |
| Q4 2025 | 1 |
| Q1 2026 | 1 |
| Q2 2026 | 3 |
| Q3 2026 | 3 |
| Q4 2026 | 1 |
Last release 28 Oct 2026. Tested up to 7.0, 1 major version behind WordPress 7.1.
Support
50% of 2 support threads resolved in the last 2 months.
Security record
| Published | Issue | CVSS | Affected | Fixed in | Days to patch |
|---|---|---|---|---|---|
| 20 Mar 2023 | Klaviyo <= 3.0.9 - Authenticated (Admin+) Stored Cross-Site Scripting | 4.4 | <= 3.0.9 | 3.0.10 | 0 |
| 13 Mar 2023 | Klaviyo <= 3.0.7 - Authenticated (Administrator+) Stored Cross-Site Scripting | 4.4 | <= 3.0.7 | 3.0.8 | 0 |
Source: Wordfence Intelligence.
Reputation
| Q4 2023 | 3.0 |
|---|---|
| Q1 2024 | 1.0 |
| Q3 2024 | 5.0 |
| Q4 2024 | 5.0 |
| Q1 2025 | 1.5 |
| Q3 2025 | 1.0 |
| Q4 2025 | 1.0 |
Average rating fell from 3.0 to 1.0 between Q4 2023 and Q4 2025.
| 5 star | 8 |
|---|---|
| 4 star | 2 |
| 3 star | 2 |
| 2 star | 1 |
| 1 star | 11 |
- 0 star if I can · 1 star · 26 Nov 2025
- Stay away · 1 star · 2 Oct 2025
- constant 502 errors · 1 star · 6 Sep 2025
Momentum
100,000+ active installs. History builds with each weekly snapshot.
| 4 May 2026 | 34,629 |
|---|---|
| 11 May 2026 | 12,289 |
| 18 May 2026 | 15,588 |
| 25 May 2026 | 36,364 |
| 1 Jun 2026 | 13,762 |
| 8 Jun 2026 | 9,154 |
| 15 Jun 2026 | 7,346 |
| 22 Jun 2026 | 6,196 |
| 29 Jun 2026 | 6,141 |
| 6 Jul 2026 | 10,994 |
| 13 Jul 2026 | 5,383 |
| 20 Jul 2026 | 5,307 |
| 27 Jul 2026 | 5,199 |
| 3 Aug 2026 | 64,634 |
| 10 Aug 2026 | 8,860 |
| 17 Aug 2026 | 46,132 |
| 24 Aug 2026 | 9,005 |
| 31 Aug 2026 | 7,442 |
| 7 Sep 2026 | 6,180 |
| 14 Sep 2026 | 6,047 |
| 21 Sep 2026 | 5,709 |
| 28 Sep 2026 | 5,313 |
| 5 Oct 2026 | 5,518 |
| 12 Oct 2026 | 5,062 |
| 19 Oct 2026 | 5,790 |
| 26 Oct 2026 | 40,853 |
| 2 Nov 2026 | 2,500 |
Weekly downloads over the last 4 weeks are 6% below the 27-week average.
Healthier alternatives
Same category, higher Canary Score. Never sponsored.
No healthier plugin in the same category yet.
Facts
| Version | 3.9.0 |
|---|---|
| Author | klaviyo |
| Added | 11 Apr 2012 |
| Last updated | 28 Oct 2026 |
| Active installs | 100,000+ |
| Requires WordPress | 6.2 |
| Tested up to | 7.0.8 |
| Requires PHP | 7.4 |
| Category | E-commerce & Shopping |
| Tags | email, Klaviyo, analytics, marketing, woocommerce |
Questions
Is Klaviyo still maintained?
Klaviyo was last updated on 28 Oct 2026. Its Canary status is Healthy.
Is Klaviyo safe?
Klaviyo has no open unpatched vulnerabilities on record. 0 vulnerabilities were published in the last 24 months. Its Canary status is Healthy.
Who owns Klaviyo?
The wordpress.org author is klaviyo. Recent committers: klaviyo, bialecki, plugin-master. We have recorded no ownership change.
What can I use instead of Klaviyo?
We have no healthier plugin in the same category on record yet.