CVE-2023-1549

Status: ModifiedHigh (7.2)—

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

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base score: 7.2

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 17%
Percentile among all scored CVEs: 97
Score date: 9/30/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

AD Inserter Project — AD Inserter

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2023-1549",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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            },
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            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-01-24T20:19:31.268014Z"
        }
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  },
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        {
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  "published": "2023-05-15T13:15:10.353",
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    }
  ],
  "lastModified": "2026-06-17T05:28:14.223",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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}