CVE-2025-27287
WordPress SS Quiz Plugin <= 2.0.5 - PHP Object Injection vulnerability
Deserialization of Untrusted Data vulnerability in ssvadim SS Quiz ssquiz allows Object Injection.This issue affects SS Quiz: from n/a through <= 2.0.5.
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 SS Quiz Plugin <= 2.0.5 - PHP Object Injection vulnerability
Deserialization of Untrusted Data vulnerability in ssvadim SS Quiz ssquiz allows Object Injection.This issue affects SS Quiz: from n/a through <= 2.0.5.
- Record
CVE-2025-27287- 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-2025-11621
Deserialization of Untrusted Data vulnerability in ssvadim SS Quiz ssquiz allows Object Injection.This issue affects SS Quiz: from n/a through <= 2.0.5.
- Record
EUVD-2025-11621- 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-q7rh-q727-h4mw
Deserialization of Untrusted Data vulnerability in ssvadim SS Quiz allows Object Injection. This...
Deserialization of Untrusted Data vulnerability in ssvadim SS Quiz allows Object Injection. This issue affects SS Quiz: from n/a through 2.0.5.
- Record
GHSA-q7rh-q727-h4mw- 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 ssvadim SS Quiz ssquiz allows Object Injection.This issue affects SS Quiz: from n/a through <= 2.0.5.
- Record
CVE-2025-27287- 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-2025-27287 is a critical vulnerability (CVSS 9.8) in Ssvadim Ss Quiz, published April 17, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. No source names a fixed version.
References
patchstack.com/database/Wordpress/Plugin/ssquiz/vulnerability/wordpress-ss-quiz-plugin-2-0-5-php-object-injection-vulnerability?_s_id=cve
nvd.nist.gov/vuln/detail/CVE-2025-27287
github.com/advisories/GHSA-q7rh-q727-h4mw