CVE-2023-1549
Ad Inserter < 2.7.27 - Admin+ PHP Object Injection
The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present
- Record
CVE-2023-1549- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
CVE List
Ad Inserter < 2.7.27 - Admin+ PHP Object Injection
The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present
- Record
CVE-2023-1549- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2023-23783
The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present
- Record
EUVD-2023-23783- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v9wx-wp77-q49m
The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings,...
The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could allow high privilege users such as admin to perform PHP Object Injection when a suitable gadget is present
- Record
GHSA-v9wx-wp77-q49m- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-1549 is a high vulnerability (CVSS 7.2) in Ad Inserter Inserter, published May 15, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 16.9%, the 97th percentile. No source names a fixed version.