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CVE-2025-39495

WordPress Avantage Theme <= 2.4.9 - PHP Object Injection vulnerability

9.8 Critical

CVE-2025-39495 is a critical vulnerability (CVSS 9.8) in Boldthemes Avantage, published May 23, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 50th percentile. No source names a fixed version.

What does this mean?
Severity
9.8 CriticalCVSS 3.1, CVE List
Exploit chance
0.62%EPSS, 50th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.62%Up 0.6 points since May 24, 2025
90%50%10%1%

Affected products

What each source reports

CVE List Score used9.8

WordPress Avantage Theme <= 2.4.9 - PHP Object Injection vulnerability

Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.

Record
CVE-2025-39495
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
EUVDEUVD-2025-279629.8

Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.

Record
EUVD-2025-27962
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-6cfw-fhp6-2m5g9.8

Deserialization of Untrusted Data vulnerability in BoldThemes Avantage allows Object Injection....

Deserialization of Untrusted Data vulnerability in BoldThemes Avantage allows Object Injection. This issue affects Avantage: from n/a through 2.4.6.

Record
GHSA-6cfw-fhp6-2m5g
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
NVD9.8

Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.

Record
CVE-2025-39495
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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