CVE-2026-27369
WordPress Celeste theme <= 1.3.6 - PHP Object Injection vulnerability
Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object Injection.This issue affects Celeste: from n/a through <= 1.3.6.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.1
WordPress Celeste theme <= 1.3.6 - PHP Object Injection vulnerability
Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object Injection.This issue affects Celeste: from n/a through <= 1.3.6.
- Record
CVE-2026-27369- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2026-9627
8.1
Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object Injection.This issue affects Celeste: from n/a through <= 1.3.6.
- Record
EUVD-2026-9627- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-56f8-pjc6-475m
8.1
Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object...
Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object Injection.This issue affects Celeste: from n/a through <= 1.3.6.
- Record
GHSA-56f8-pjc6-475m- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
8.1
Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object Injection.This issue affects Celeste: from n/a through <= 1.3.6.
- Record
CVE-2026-27369- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-27369 is a high vulnerability (CVSS 8.1) in Boldthemes Celeste, published March 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. No source names a fixed version.