THREATPORT/VULNERABILITY/CVE-2023-1549
HIGH SEVERITY

CVE-2023-1549

Ad Inserter vulnerability

CVSS
7.2
EPSS
16.9%
EPSS pct
97th
Exploited
No known
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
Affected vendor
Ad Inserter Project
Affected product
Ad Inserter
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2023-05-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 16.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2023-1549

  • Confirm whether Ad Inserter Project Ad Inserter is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-1549.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-1549

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-1549 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2023-1549?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2023-1549.

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