CVE-2026-27369

HIGH 8.1

WordPress Celeste theme <= 1.3.6 - PHP Object Injection vulnerability

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object Injection.This issue affects Celeste: from n/a through <= 1.3.6.

CWE	CWE-502
Vendor	boldthemes
Product	celeste
Published	Mar 5, 2026
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

BoldThemes / Celeste

0 ≤ 1.3.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Theme/celeste/vulnerability/wordpress-celeste-theme-1-3-6-php-object-injection-vulnerability?_s_id=cve

Credits

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program