CVE-2025-31919
WordPress Spare <= 1.7 - PHP Object Injection Vulnerability
Deserialization of Untrusted Data vulnerability in themeton Spare allows Object Injection. This issue affects Spare: from n/a through 1.7.
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
What each source reports
CVE List Score used
WordPress Spare <= 1.7 - PHP Object Injection Vulnerability
Deserialization of Untrusted Data vulnerability in themeton Spare allows Object Injection. This issue affects Spare: from n/a through 1.7.
- Record
CVE-2025-31919- CVSS 3.1
- 9.8 Critical
CVSS: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-2025-18547
Deserialization of Untrusted Data vulnerability in themeton Spare allows Object Injection. This issue affects Spare: from n/a through 1.7.
- Record
EUVD-2025-18547- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m6jx-4j6j-qjq9
Deserialization of Untrusted Data vulnerability in themeton Spare allows Object Injection. This...
Deserialization of Untrusted Data vulnerability in themeton Spare allows Object Injection. This issue affects Spare: from n/a through 1.7.
- Record
GHSA-m6jx-4j6j-qjq9- CVSS 3.1
- 9.8 Critical
CVSS: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
NVD
Deserialization of Untrusted Data vulnerability in themeton Spare allows Object Injection. This issue affects Spare: from n/a through 1.7.
- Record
CVE-2025-31919- CVSS 3.1
- 9.8 Critical
CVSS: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
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-2025-31919 is a critical vulnerability (CVSS 9.8) in Themeton Spare, published June 17, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. No source names a fixed version.