Is CVE-2019-9787 in the CISA KEV catalog?

No. CVE-2019-9787 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-9787?

CVE-2019-9787 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2019-9787?

CVE-2019-9787 has an EPSS score of 43.75% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-9787?

Upgrade wordpress on debian 11 to 5.1.1+dfsg1-1 or later.

CVE & CISA-KEV Catalog

CVE-2019-9787

HIGHEPSS 99th pctl

8.8

CVSS v3

NVD

Description

WordPress before 5.1.1 does not properly filter comment content, leading to Remote Code Execution by unauthenticated users in a default configuration. This occurs because CSRF protection is mishandled, and because Search Engine Optimization of A elements is performed incorrectly, leading to XSS. The XSS results in administrative access, which allows arbitrary changes to .php files. This is related to wp-admin/includes/ajax-actions.php and wp-includes/comment.php.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

wordpressDebian

Fixed in:5.1.1+dfsg1-1CVE-2019-9787

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

43.75%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Patch1

github.com

Exploit1

blog.ripstech.com

Vendor Advisory2

Third-Party Advisory1

securityfocus.com

Other references3

Related Vulnerabilities

Other CWE-352 (Cross-Site Request Forgery) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-6277	High	8.8	100%	KEV	-
CVE-2014-0054	Medium	6.8	91%	-	Fix
CVE-2013-6429	Medium	6.8	90%	-	Fix
CVE-2022-41622	High	8.8	88%	-	-
CVE-2018-7700	High	8.8	75%	-	-
CVE-2015-2295	Medium	6.8	66%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.