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BetterLinks <= 1.6.0 — Improper Authorization to Data Import and Export

CVE-2023-45104Published · Updated

Action summary

Affected: ≤1.6.0Update to 1.6.1 or newer

All remediation steps
Watch plugin
Severity
Medium6.5
CVSS
6.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-285 Improper Authorization
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

BetterLinks – Link Shortener, Link Cloaking, Redirects, Affiliate Link Manager & MCP betterlinks

  1. Affected≤ 1.6.0
  2. Patched in1.6.1

Update to 1.6.1 or newer.

You are affected if you run ≤ 1.6.0. Version 1.6.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under BetterLinks – Link Shortener, Link Cloaking, Redirects, Affiliate Link Manager & MCP.
  • 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 1.6.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch BetterLinks – Link Shortener, Link Cloaking, Redirects, Affiliate Link Manager & MCP to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Nguyen Anh Tien.

The BetterLinks plugin for WordPress is vulnerable to unauthorized access and modification due to insufficient capability checks on the import_data and export_data functions in versions up to, and including, 1.6.0. This makes it possible for unauthenticated attackers to import and export plugin data.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in BetterLinks – Link Shortener, Link Cloaking, Redirects, Affiliate Link Manager & MCP

All 4
More vulnerabilities in BetterLinks – Link Shortener, Link Cloaking, Redirects, Affiliate Link Manager & MCP
SeverityVulnerabilityCVEPublished
Medium4.3Missing Authorization to Authenticated (Subscriber+) Arbitrary Short URL Creation via create_fbs_link AJAX Action
≤3.1.0Update to 3.1.1
CVE-2026-19801
Medium4.9Authenticated (Administrator+) SQL Injection
≤2.1.7Update to 2.1.8
CVE-2024-51672
Medium5.4Stored Cross-Site Scripting
<1.2.6Update to 1.2.6
CVE-2021-24812

Timeline

  1. CVE published

    Severity medium, CVSS 6.5

  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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