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WordPress plugin

WP-PostRatings <= 1.91 — IP Spoofing

CVE-2023-40332Published · Updated

Action summary

Affected: ≤1.91Update to 1.91.1 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-348 Use of Less Trusted Source
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

WP-PostRatings wp-postratings

  1. Affected≤ 1.91
  2. Patched in1.91.1

Update to 1.91.1 or newer.

You are affected if you run ≤ 1.91. Version 1.91.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WP-PostRatings.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 1.91.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch WP-PostRatings to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Kévin Mosbahi (Mika).

The WP-PostRatings plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 1.91. This is due to insufficient restrictions on where the IP Address information is being retrieved for request logging and login restrictions. Attackers can supply the X-Forwarded-For header with with a different IP Address that will be logged and can be used to bypass settings.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in WP-PostRatings

All 5
More vulnerabilities in WP-PostRatings
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤1.91.1Update to 1.91.2
CVE-2024-39659
Medium4.3Race Condition
≤1.89Update to 1.90
CVE-2022-36422
Medium5.5Cross-Site Scripting
≤1.86Update to 1.86.1
CVE-2021-25117
High8.8SQL Injection
≤1.61Update to 1.62
CVE-2011-4646

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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