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CVE-2023-0586

21
FAUCET Score

CVE-2023-0586 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the All in One SEO Pack plugin for WordPress, versions 4.2.9 and earlier. This flaw allows authenticated attackers with Contributor+ privileges to inject malicious web scripts due to insufficient input sanitization and output escaping. The vulnerability has a CVSS score of 5.4 (Medium), indicating a network-based attack with low complexity, requiring user interaction, and leading to low confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.9CPE matchmatch criteria
cpe:2.3:a:aioseo:all_in_one_seo:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.53%
Probability of exploitation in next 30 days
EPSS Percentile
83.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0253 is in the 98th percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wordfence.com / threat-intel/vulnerabilities/id/1c13f00e-3048-44cf-8979-2b0b0c508f3a
Third Party Advisory
plugins.trac.wordpress.org / browser/all-in-one-seo-pack/tags/4.2.9/app/Common/Admin/PostSettings.php
Release Notes
plugins.trac.wordpress.org / changeset
Release Notes
wordfence.com / blog/2023/02/all-in-one-seo-pack-vulnerabilities-impacting-3-million-sites-patched
wordfence.com / threat-intel/vulnerabilities/id/1c13f00e-3048-44cf-8979-2b0b0c508f3a