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Plugin security history

Klaviyo Vulnerability History & Security Timeline

The Wordfence Intelligence dataset currently contains 2 vulnerability records associated with Klaviyo, published between 2023 and 2023.

Dataset last synchronized: 2026-08-03 00:31:25 UTC

At a glance

Security Snapshot

2Total records
0Critical
0High
2Medium
0Low
0Informational
2Patched records
0Currently marked unpatched
2023-03-13First disclosure
2023-03-20Latest disclosure
2 of 2CVE coverage

Use this history

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Year-by-Year Timeline

YearRecordsRelative volume
202322 records

Severity Breakdown

SeverityRecordsShare
Medium2100%

Vulnerability-Type Breakdown

Cross-Site Scripting

2 records100%

First: 2023. Latest: 2023.

Patch Status

Patched
2
Currently marked unpatched
0
Unknown status
0

Patch status reflects the latest successfully synchronized source dataset and must be checked against the installed version.

Latest Known Patched Versions

  • 3.0.10
  • 3.0.8

Affected-Version History

Ranges are deduplicated by source range record and shown with the associated disclosure and known patched versions.

Affected rangeVulnerabilityPublishedPatched versionSeverity
*-3.0.9Klaviyo <= 3.0.9 - Authenticated (Admin+) Stored Cross-Site ScriptingMarch 20, 20233.0.10Medium
*-3.0.7Klaviyo <= 3.0.7 - Authenticated (Administrator+) Stored Cross-Site ScriptingMarch 13, 20233.0.8Medium

Selected source records

Latest Records

MediumCVE-2023-0874

Klaviyo <= 3.0.9 - Authenticated (Admin+) Stored Cross-Site Scripting

Published: March 20, 2023

Affected versions
*-3.0.9
Patched versions
3.0.10
Original Wordfence record
MediumCVE-2023-25456

Klaviyo <= 3.0.7 - Authenticated (Administrator+) Stored Cross-Site Scripting

Published: March 13, 2023

Affected versions
*-3.0.7
Patched versions
3.0.8
Original Wordfence record

Highest-Severity Records

MediumCVE-2023-0874

Klaviyo <= 3.0.9 - Authenticated (Admin+) Stored Cross-Site Scripting

Published: March 20, 2023

Affected versions
*-3.0.9
Patched versions
3.0.10
Original Wordfence record
MediumCVE-2023-25456

Klaviyo <= 3.0.7 - Authenticated (Administrator+) Stored Cross-Site Scripting

Published: March 13, 2023

Affected versions
*-3.0.7
Patched versions
3.0.8
Original Wordfence record

View all associated vulnerabilities

Need help reviewing an exposed WordPress website?

Running an affected version does not prove that a website was compromised. Suspicious redirects, unknown administrators, injected content, unexpected files or recurring malware may require a manual investigation.

Vulnerability data: Wordfence Intelligence. Analysis and practical guidance: 3Zero Digital.

Data Source, Attribution and Methodology

This page aggregates active Production Feed records. Counts are not software-quality rankings, and an affected version does not prove exploitation or infection. Read the full methodology.

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