Vulnerability · CVE-2025-39495
Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.
Published May 23, 2025 · catalog updated Apr 28, 2026 · Avantage
Check if you run it
No confirmed exploitation is on record for CVE-2025-39495. EPSS is 0.59%. Act only if a listed version of Avantage is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Critical9.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.59%
- Remediation
- Advisory link
- Affected products
- vendor boldthemes Avantage 0 ≤2.4.9
Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor boldthemes Avantage 0 ≤2.4.90 ≤2.4.9
How to fix CVE-2025-39495
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-39495. EPSS is 0.59%. Act only if a listed version of Avantage is installed.
Which versions are affected?
Compare what you have installed with boldthemes Avantage 0 ≤2.4.9 0 ≤2.4.9. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.59%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 23, 2025 · EUVD
Detected
Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.
Apr 28, 2026 · EUVD
Updated
Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.
Sources
- CVE.orgVulnerability recordCVE-2025-39495
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-39495
30-day exploitation probability 0.6%
first.org - EUVDVulnerability recordEUVD-2025-27962
Deserialization of Untrusted Data vulnerability in BoldThemes Avantage avantage allows Object Injection.This issue affects Avantage: from n/a through <= 2.4.9.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.