Is CVE-2019-16780 in the CISA KEV catalog?

No. CVE-2019-16780 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-16780?

CVE-2019-16780 has a CVSS v3 base score of 5.8 (MEDIUM).

What is the EPSS score for CVE-2019-16780?

CVE-2019-16780 has an EPSS score of 1.72% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-16780?

Upgrade wordpress on debian 11 to 5.3.2+dfsg1-1 or later.

CVE & CISA-KEV Catalog

CVE-2019-16780

MEDIUMEPSS 75th pctl

5.8

CVSS v3

NVD

Description

WordPress users with lower privileges (like contributors) can inject JavaScript code in the block editor using a specific payload, which is executed within the dashboard. This can lead to XSS if an admin opens the post in the editor. Execution of this attack does require an authenticated user. This has been patched in WordPress 5.3.1, along with all the previous WordPress versions from 3.7 to 5.3 via a minor release. Automatic updates are enabled by default for minor releases and we strongly recommend that you keep them enabled.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

wordpressDebian

Fixed in:5.3.2+dfsg1-1CVE-2019-16780

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 ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.72%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory7

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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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.