SARA / Free Tools / CVE / CVE-2019-13478

CVE-2019-13478 — The Yoast SEO plugin before 11

The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions.

CVSS

9.9 CRITICAL

EPSS

0.26% (top 50.70%)

CWE

—

Published

2019-07-09T22:35:20.000Z

Last modified

2024-08-04T23:57:39.408Z

CVSS vector

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

01What is this vulnerability?

The Yoast SEO plugin before 11.6-RC5 for WordPress does not properly restrict unfiltered HTML in term descriptions.

Vendor	Product	Versions
n	a / n/a	n/a

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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