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Fencer Vulns
high 8.8

CVE-2022-3865 json

WP User Merger < 1.5.3 - Admin+ SQLi via ID

published 2022-11-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43205

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

The WP User Merger WordPress plugin before 1.5.3 does not properly sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by users with a role as low as admin

Patch / fix

  • Unknown WP User Merger 1.5.3

CISA SSVC

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

Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/fbe4aed8-964a-4774-bbc3-d432792bfeb6 referenced PoC, tagged "exploit" by a source, unverified
  • bulletin.iese.de https://bulletin.iese.de/post/wp-user-merger_1-5-1_1/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Unknown WP User Merger

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.