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Fencer Intel
medium 4.3

CVE-2022-4148 json

WP OAuth Server < 4.3.0 - Subscriber+ Arbitrary Client Deletion

published 3y ago modified 4mo ago also EUVD-2022-51509

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

The WP OAuth Server (OAuth Authentication) WordPress plugin before 4.3.0 has a flawed CSRF and authorisation check when deleting a client, which could allow any authenticated users, such as subscriber to delete arbitrary client.

Patch / fix

  • Unknown WP OAuth Server (OAuth Authentication) 4.3.0

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/be9b25c8-b0d7-4c22-81ff-e41650a4ed41 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Unknown WP OAuth Server (OAuth Authentication)

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel 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.