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StopBadBots <= 7.23 — Missing Authorization to Arbitrary Plugin Installation

CVE-2022-3883Published · Updated

Action summary

Affected: ≤7.23Update to 7.24 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:L/UI:N/S:U/C:N/I:H/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:H Integrity
High
A:N Availability
None
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection stopbadbots

  1. Affected≤ 7.23
  2. Patched in7.24

Update to 7.24 or newer.

You are affected if you run ≤ 7.23. Version 7.24 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 7.24, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to István Márton.

The StopBadBots plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the stopbadbots_install_plugin() function in versions up to, and including, 7.23. This makes it possible for authenticated attackers with minimal permission, such as a subscriber, to install arbitrary plugins on the vulnerable site. This could be used to install additional vulnerable plugins that could aid in further compromise of the site.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection

All 10
More vulnerabilities in Block Bad Bots and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection
SeverityVulnerabilityCVEPublished
Medium6.5Insufficient Authorization to Unauthenticated Blocklist Bypass
≤11.58Update to 11.59
CVE-2025-9376
Medium4.3Missing Authorization to Information Expsoure
≤10.23Update to 10.24
CVE-2024-4355
Medium4.4Authenticated (Administrator+) Stored Cross-Site Scripting
≤7.31Update to 7.32
CVE-2023-32496
Critical9.8SQL Injection
<6.930Update to 6.930
CVE-2022-0949
Critical9.8SQL Injection
<6.88Update to 6.90
CVE-2021-25070

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

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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