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Modal Survey < 2.0.1.8.2 — Authorization Bypass

d0215e53-0394-4845-93e4-463cd5642fb3Published · Updated

Action summary

Affected: <2.0.1.8.2Update to 2.0.1.8.2 or newer

All remediation steps
Severity
High7.5
CVSS
7.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/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:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:H Integrity
High
A:N Availability
None
Weakness
CWE-285 Improper Authorization
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

Modal Survey - WordPress Poll, Survey & Quiz Plugin modal_survey

  1. Affected< 2.0.1.8.2
  2. Patched in2.0.1.8.2

Update to 2.0.1.8.2 or newer.

You are affected if you run < 2.0.1.8.2. Version 2.0.1.8.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Modal Survey - WordPress Poll, Survey & Quiz Plugin.
  • 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 2.0.1.8.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Modal Survey - WordPress Poll, Survey & Quiz Plugin to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Pagely.

The Modal Survey Plugin for WordPress is vulnerable to Arbitrary Survey Update, Deletion and Creation in versions before 2.0.1.8.2 via the 'ajax_survey' AJAX action due to lacking capability checks. This allows unauthenticated attackers to create, update, or delete arbitrary surveys.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Modal Survey - WordPress Poll, Survey & Quiz Plugin

All 2
More vulnerabilities in Modal Survey - WordPress Poll, Survey & Quiz Plugin
SeverityVulnerabilityCVEPublished
Critical9.1PHP Object Injection
≤2.0.1.8Update to 2.0.1.8.2
—
  • Critical9.1
    PHP Object Injection

    ≤2.0.1.8Update to 2.0.1.8.2

    e30fe90a-774c-41ba-b28e-8b8128fd72cc

Timeline

  1. CVE published

    Severity high, CVSS 7.5

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. 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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