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PGS Core <= 5.8.0 — Missing Authorization via Multiple Functions

CVE-2025-0856Published · Updated

Action summary

Affected: ≤5.8.0Update to 5.9.0 or newer

All remediation steps
Severity
High7.3
CVSS
7.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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:U Scope
Unchanged
C:L Confidentiality
Low
I:L Integrity
Low
A:L Availability
Low
Weakness
CWE-862 Missing Authorization
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

PGS Core pgs-core

  1. Affected≤ 5.8.0
  2. Patched in5.9.0

Update to 5.9.0 or newer.

You are affected if you run ≤ 5.8.0. Version 5.9.0 and later are not affected by this issue.

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

Advisory

Source description from Wordfence Intelligence, credited to István Márton.

The PGS Core plugin for WordPress is vulnerable to unauthorized access, modification, and loss of data due to a missing capability check on multiple functions in all versions up to, and including, 5.8.0. This makes it possible for unauthenticated attackers to add, modify, or plugin options.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in PGS Core

All 4
More vulnerabilities in PGS Core
SeverityVulnerabilityCVEPublished
Medium6.5Authenticated (Contributor+) SQL Injection
≤5.9.0No patch available
CVE-2025-60118
Critical9.8Unauthenticated PHP Object Injection
≤5.8.0Update to 5.9.0
CVE-2025-0855
High7.5Unauthenticated SQL Injection
≤5.8.0Update to 5.9.0
CVE-2025-0853

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization 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 7.3

  2. Record last updated

Sources & licenses

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