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Fencer Vulns
high 7.2

CVE-2023-1549 in the critical feed json

Ad Inserter < 2.7.27 - Admin+ PHP Object Injection

published 2023-05-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23783

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
16.9%
EPSS 16.9% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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

Patch / fix

  • Unknown Ad Inserter 2.7.27

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

16.90% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/c94b3a68-673b-44d7-9251-f3590cc5ee9e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Unknown Ad Inserter

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.