Skip to content
Founder-led WordPress incident response and care Request an assessment
3zerodigital Request a Website Assessment

Theme security history

kleo Vulnerability History & Security Timeline

The Wordfence Intelligence dataset currently contains 3 vulnerability records associated with kleo, published between 2024 and 2025.

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

At a glance

Security Snapshot

3Total records
0Critical
1High
2Medium
0Low
0Informational
3Patched records
0Currently marked unpatched
2024-12-19First disclosure
2025-10-30Latest disclosure
3 of 3CVE coverage

Use this history

Check and watch kleo.

A history record does not establish whether the version installed on your website is affected. Enter the exact version in the checker, or add this software to a private Critical/High alert watchlist.

Year-by-Year Timeline

YearRecordsRelative volume
202411 records
202522 records

Severity Breakdown

SeverityRecordsShare
High133.3%
Medium266.7%

Vulnerability-Type Breakdown

Cross-Site Scripting

1 record33.3%

First: 2024. Latest: 2024.

Missing Authorization

1 record33.3%

First: 2025. Latest: 2025.

Other

1 record33.3%

First: 2025. Latest: 2025.

Patch Status

Patched
3
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

  • 5.5.0
  • 5.4.4

Affected-Version History

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

Affected rangeVulnerabilityPublishedPatched versionSeverity
[*, 5.5.0)Kleo < 5.5.0 - Authenticated (Contributor+) Local File InclusionOctober 30, 20255.5.0High
[*, 5.4.4)KLEO < 5.4.4 - Missing AuthorizationApril 29, 20255.4.4Medium
[*, 5.4.4)Kleo < 5.4.4 - Reflected Cross-Site ScriptingDecember 19, 20245.4.4Medium

Selected source records

Latest Records

HighCVE-2025-64363

Kleo < 5.5.0 - Authenticated (Contributor+) Local File Inclusion

Published: October 30, 2025

Affected versions
[*, 5.5.0)
Patched versions
5.5.0
Original Wordfence record
MediumCVE-2025-39367

KLEO < 5.4.4 - Missing Authorization

Published: April 29, 2025

Affected versions
[*, 5.4.4)
Patched versions
5.4.4
Original Wordfence record
MediumCVE-2024-56209

Kleo < 5.4.4 - Reflected Cross-Site Scripting

Published: December 19, 2024

Affected versions
[*, 5.4.4)
Patched versions
5.4.4
Original Wordfence record

Highest-Severity Records

HighCVE-2025-64363

Kleo < 5.5.0 - Authenticated (Contributor+) Local File Inclusion

Published: October 30, 2025

Affected versions
[*, 5.5.0)
Patched versions
5.5.0
Original Wordfence record
MediumCVE-2024-56209

Kleo < 5.4.4 - Reflected Cross-Site Scripting

Published: December 19, 2024

Affected versions
[*, 5.4.4)
Patched versions
5.4.4
Original Wordfence record
MediumCVE-2025-39367

KLEO < 5.4.4 - Missing Authorization

Published: April 29, 2025

Affected versions
[*, 5.4.4)
Patched versions
5.4.4
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.

Return to the Security History Directory