The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions.
Priority MEDIUM 48CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions.
Why it matters now
EPSS 0.03304 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:yoast:yoast_seo:*:*:*:*:*:wordpress:*:* | before 11.6 | Vulnerable | Yoast |
| cpe:2.3:a:yoast:yoast_seo:11.6:rc1:*:*:*:wordpress:*:* | 11.6 rc1 | Vulnerable | Yoast |
| cpe:2.3:a:yoast:yoast_seo:11.6:rc2:*:*:*:wordpress:*:* | 11.6 rc2 | Vulnerable | Yoast |
| cpe:2.3:a:yoast:yoast_seo:11.6:rc3:*:*:*:wordpress:*:* | 11.6 rc3 | Vulnerable | Yoast |
| cpe:2.3:a:yoast:yoast_seo:11.6:rc4:*:*:*:wordpress:*:* | 11.6 rc4 | Vulnerable | Yoast |
- cpe:2.3:a:yoast:yoast_seo:*:*:*:*:*:wordpress:*:* Versions before 11.6 Vulnerable ·Yoast
- cpe:2.3:a:yoast:yoast_seo:11.6:rc1:*:*:*:wordpress:*:* Versions 11.6 rc1 Vulnerable ·Yoast
- cpe:2.3:a:yoast:yoast_seo:11.6:rc2:*:*:*:wordpress:*:* Versions 11.6 rc2 Vulnerable ·Yoast
- cpe:2.3:a:yoast:yoast_seo:11.6:rc3:*:*:*:wordpress:*:* Versions 11.6 rc3 Vulnerable ·Yoast
- cpe:2.3:a:yoast:yoast_seo:11.6:rc4:*:*:*:wordpress:*:* Versions 11.6 rc4 Vulnerable ·Yoast
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13478
- 2026-10-03 Alias added: GHSA-wq5j-p8j8-wx7p
References
More Yoast Seo vulnerabilities
- TI-2018-13725 A Race condition vulnerability in unzip_file in admin/import/class-import-settings.php in… CVSS 3.0MEDIUM 6.6
- TI-2021-07396 Yoast SEO 16.7-17.2 - Unauthenticated Full Path Disclosure CVSS 3.1MEDIUM 5.3
- TI-2023-15596 WordPress Yoast SEO: Local Plugin <= 14.8 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
- TI-2023-13285 WordPress Yoast SEO Premium plugin <= 20.4 - Unauthenticated Zapier API Key Reset vulnerability CVSS 3.1MEDIUM 5.3
- TI-2023-13295 WordPress Yoast SEO: Local Plugin <= 14.9 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 6.5
- TI-2021-11783 The yoast_seo (aka Yoast SEO) extension before 7.2.1 for TYPO3 allows SSRF via a backend user account. CVSS 3.1MEDIUM 6.4
Sources
- CVE-2019-13478 · CVE Program
- CVE-2019-13478 · NVD
- FIRST EPSS
- GHSA-wq5j-p8j8-wx7p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences