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All In One Seo CVE-2022-42494

MEDIUM
Server-Side Request Forgery (SSRF) (CWE-918)
2022-11-08 audit@patchstack.com
6.5
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.5 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.

Exploit ScenarioDerived

A remote attacker could make the server perform requests to unintended internal or external resources by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

Server Side Request Forgery (SSRF) vulnerability in All in One SEO Pro plugin <= 4.2.5.1 on WordPress. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. Server Side Request Forgery (SSRF) vulnerability in All in One SEO Pro plugin <= 4.2.5.1 on WordPress. Affected products include: Aioseo All In One Seo.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

DescriptionNVD

Server Side Request Forgery (SSRF) vulnerability in All in One SEO Pro plugin <= 4.2.5.1 on WordPress.

Threat Intelligence Overview

EPSS Score
0.6%
Top 58% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.6%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

Affected Products (CPE)NVD

cpe:2.3:a:aioseo:all_in_one_seo:*:*:*:*:*:wordpress:*:*
CVE-2021-24307 HIGH POC
8.8 May 24

The All in One SEO - Best WordPress SEO Plugin - Easily Improve Your SEO Rankings before 4.1.0.2 enables authenticated u

CVE-2026-82884 MEDIUM POC
6.8 Sep 02

Stored Cross-Site Scripting in the All in One SEO WordPress plugin before version 5.0.0.1 enables users holding the cont

CVE-2026-19856 MEDIUM POC
6.5 Oct 02

Unauthenticated shortcode injection in the All in One SEO (AIOSEO) WordPress plugin before 5.0.2.1 lets remote attackers

CVE-2024-3368 MEDIUM POC
6.1 May 20

The All in One SEO WordPress plugin before 4.6.1.1 does not validate and escape some of its Post fields before outputtin

CVE-2022-38093 HIGH
8.8 Sep 09

Multiple Cross-Site Request Forgery (CSRF) vulnerabilities in All in One SEO plugin <= 4.2.3.1 at WordPress. Rated high

CVE-2026-10755 LOW POC
2.7 Jul 20

Incorrect authorization on REST API endpoints in the All in One SEO WordPress plugin (before 4.9.9) allows authenticated

CVE-2023-0586 MEDIUM
6.4 Feb 24

The All in One SEO Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in ver

CVE-2024-3554 MEDIUM
6.4 May 02

The All in One SEO - Best WordPress SEO Plugin - Easily Improve SEO Rankings & Increase Traffic plugin for WordPress is

CVE-2023-0585 MEDIUM
4.4 Feb 24

The All in One SEO Pack plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters in ver

CVE-2025-2892 MEDIUM
6.4 May 19

The All in One SEO - Powerful SEO Plugin to Boost SEO Rankings & Increase Traffic plugin for WordPress is vulnerable to

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