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TI-2023-01566 Aliases CVE-2023-1669GHSA-467c-9pm8-6w84

SEOPress < 6.5.0.3 - Admin+ PHP Object Injection

Priority HIGH 67CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-502.

Summary

The SEOPress WordPress plugin before 6.5.0.3 unserializes user input provided via the settings, which could allow high-privilege users such as admin to perform PHP Object Injection when a suitable gadget is present.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.17686 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed SEOPress (Unknown): 6.5.0.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownSEOPressbefore 6.5.0.36.5.0.3Patch availableCNA
  • SEOPress VendorUnknown Affected before 6.5.0.3 Fixed in 6.5.0.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:seopress:seopress:*:*:*:*:*:wordpress:*:*before 6.5.0.3Vulnerablerainbowgeek
  • cpe:2.3:a:seopress:seopress:*:*:*:*:*:wordpress:*:* Versions before 6.5.0.3 Vulnerable ·rainbowgeek

Remediation

  • Fix · CNA SEOPress (Unknown) Fixed in 6.5.0.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1669
  2. 2026-10-03 Alias added: GHSA-467c-9pm8-6w84

References

Exploit 1

  • TI-2024-05099 SEOPress < 7.9 - Unauthenticated Object Injection CVSS 3.1CRITICAL 9.8
  • TI-2023-05773 WP SEO Press < 7.3 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2024-33888 WordPress SEOPress plugin <= 8.1.1 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
  • TI-2024-33887 WordPress SEOPress plugin <= 8.1.1 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
  • TI-2024-08561 SEOPress – On-site SEO <= 8.1.1 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
  • TI-2024-02011 SEOPress – On-site SEO <= 7.5.2.1 - Authenticated (Author+) Stored Cross-Site Scripting CVSS 3.1MEDIUM 6.4
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences