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Simple Ads Manager <= 2.9.8.125 — Unauthenticated PHP Objection Injection

02665811-15ba-434c-a4d0-df5402a128f4Published · Updated

Action summary

Affected: <2.10.0.130Update to 2.10.0.130 or newer

All remediation steps
Severity
High8.3
CVSS
8.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
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:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:L Availability
Low
Weakness
CWE-502 PHP Object Injection
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

Simple Ads Manager simple-ads-manager

  1. Affected< 2.10.0.130
  2. Patched in2.10.0.130

Update to 2.10.0.130 or newer.

You are affected if you run < 2.10.0.130. Version 2.10.0.130 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Simple Ads Manager.
  • 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 2.10.0.130, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Simple Ads Manager to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Yorick Koster,.

The Simple Ads Manager plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.9.8.125 via deserialization of untrusted input in the vulnerable function 'unserialize'. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Simple Ads Manager

All 7
More vulnerabilities in Simple Ads Manager
SeverityVulnerabilityCVEPublished
High8.8Local/Remote File Inclusion
≤2.10.0.130No patch available
—
Critical9.8SQL Injection
<2.9.5.118Update to 2.9.5.118
—
High7.5Denial of Service
<2.9.4.116Update to 2.9.4.116
—
Critical10.0Multiple SQL Injections
<2.7.97Update to 2.7.97
CVE-2015-2824
Medium5.3Information Disclosure
≤2.5.96Update to 2.5.97
CVE-2015-2826

Same weakness (PHP Object Injection)

All PHP Object Injection
Other PHP Object Injection vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent HeaderCVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form SubmissionCVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' ParameterCVE-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 high, CVSS 8.3

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
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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