Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-13478

31
FAUCET Score

CVE-2019-13478 describes a critical vulnerability in the Yoast SEO plugin for WordPress, specifically versions prior to 11.6-RC5, where it fails to properly restrict unfiltered HTML in term descriptions. This allows for unauthenticated remote code execution with a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code in common repositories like Metasploit or ExploitDB, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.6CPE matchmatch criteria
cpe:2.3:a:yoast:yoast_seo:*:*:*:*:*:wordpress:*:*
11.6CPE matchmatch criteria
cpe:2.3:a:yoast:yoast_seo:11.6:rc1:*:*:*:wordpress:*:*
11.6CPE matchmatch criteria
cpe:2.3:a:yoast:yoast_seo:11.6:rc2:*:*:*:wordpress:*:*
11.6CPE matchmatch criteria
cpe:2.3:a:yoast:yoast_seo:11.6:rc3:*:*:*:wordpress:*:*
11.6CPE matchmatch criteria
cpe:2.3:a:yoast:yoast_seo:11.6:rc4:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.0

9.9CRITICAL

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
3.1
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.30%
Probability of exploitation in next 30 days
EPSS Percentile
87.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0330 is in the 79th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / Yoast/wordpress-seo/releases/tag/11.6-RC5
Release Notes
wpvulndb.com / vulnerabilities/9445
Third Party Advisory