TI-2023-00555 Aliases CVE-2023-0586 GHSA-vgcj-j4f7-w2g2

All in One SEO Pack <= 4.2.9 - Authenticated (Contributor+) Stored Cross-Site Scripting

LOW 33CWE-79Published 2023-02-24 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The All in One SEO Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in versions up to, and including, 4.2.9 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with Contributor+ role to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.02526 84th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
smub	All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic	up to 4.2.9	—	No fix listed	CNA

All in One SEO – Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic Vendorsmub Affected up to 4.2.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:aioseo:all_in_one_seo::::::wordpress::*	up to 4.2.9	Vulnerable	aioseo

cpe:2.3:a:aioseo:all_in_one_seo:*:*:*:*:*:wordpress:*:* Versions up to 4.2.9 Vulnerable ·aioseo

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-0586
2026-10-03 Alias added: GHSA-vgcj-j4f7-w2g2

References

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/1c13f00e-3048-44cf-8979-2b0b0c508f3a

Other 4

TI-2026-07755 WPCode <= 2.3.5 - Authenticated (Author+) Remote Code Execution via CPT Capability Bypass via XML-RPC wp.newPost CVSS 3.1HIGH 8.8
TI-2026-83530 Remote code execution in NextGEN Gallery plugin for WordPress CVSS 3.1HIGH 8.8
TI-2026-78567 PHP object injection in Duplicator and Duplicator Pro plugins CVSS 3.1HIGH 8.8
TI-2026-01649 ExactMetrics 8.6.0 - 9.0.2 - Authenticated (Custom) Insecure Direct Object Reference to Arbitrary Plugin Installation CVSS 3.1HIGH 8.8
TI-2026-01160 Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery <= 4.0.4 - Authenticated (Author+) Local File Inclusion CVSS 3.1HIGH 8.8
TI-2025-12465 Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery <= 3.59.12 - Authenticated… CVSS 3.1HIGH 8.8

See all 67 →

Sources

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