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CVE-2022-4539

17
FAUCET Score

CVE-2022-4539 affects the miniOrange Web Application Firewall plugin for WordPress, specifically versions up to and including 2.1.2. This vulnerability allows for IP address spoofing due to insufficient validation of IP information used for logging and login restrictions. Rated as Medium severity (CVSS 5.3), the vulnerability can be exploited remotely with low complexity, potentially leading to a bypass of IP-based security controls. Attackers can manipulate the X-Forwarded-For header to spoof their IP address. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE. It is not listed in the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.3CPE matchmatch criteria
cpe:2.3:a:miniorange:web_application_firewall:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 29th percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / changeset/3055548/web-application-firewall/trunk/helper/utility.php
Patch
wordfence.com / threat-intel/vulnerabilities/id/0e99531c-8742-4f91-8525-65bb3cb06644
Third Party Advisory