CVE-2019-16217

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

6.1 MediumFix available

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.53%Up 0.1 points since Apr 14, 2021

What each source reports

NVD Score used 6.1

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

Record: CVE-2019-16217
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

Record: CVE-2019-16217
Updated: 2026-11-02

EUVDEUVD-2019-7029 No score

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

Record: EUVD-2019-7029
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3rc6-mcgh-8jqq 6.1

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

Record: GHSA-3rc6-mcgh-8jqq
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

Record: CVE-2019-16217
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-16217 6.1

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

Record: DEBIAN-CVE-2019-16217
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-16217 6.1

WordPress before 5.2.3 allows XSS in media uploads because wp_ajax_upload_attachment is mishandled.

Record: UBUNTU-CVE-2019-16217
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`wordpress` Debian:12	before 5.2.3+dfsg1-1	5.2.3+dfsg1-1
`wordpress` Debian:13	before 5.2.3+dfsg1-1	5.2.3+dfsg1-1
`wordpress` Debian:14	before 5.2.3+dfsg1-1	5.2.3+dfsg1-1
`wordpress` Debian:8 From an advisory covering 7 CVEs	before 4.1.27+dfsg-0+deb8u1, plus listed versions 4.1+dfsg-14.1+dfsg-1+deb8u14.1+dfsg-1+deb8u104.1+dfsg-1+deb8u114.1+dfsg-1+deb8u12 Show 17 moreShow less 4.1+dfsg-1+deb8u134.1+dfsg-1+deb8u144.1+dfsg-1+deb8u154.1+dfsg-1+deb8u164.1+dfsg-1+deb8u174.1+dfsg-1+deb8u184.1+dfsg-1+deb8u24.1+dfsg-1+deb8u34.1+dfsg-1+deb8u44.1+dfsg-1+deb8u54.1+dfsg-1+deb8u64.1+dfsg-1+deb8u74.1+dfsg-1+deb8u84.1+dfsg-1+deb8u94.1.1+dfsg-14.1.25+dfsg-1+deb8u14.1.26+dfsg-1+deb8u1	4.1.27+dfsg-0+deb8u1
`wordpress` Debian:10 From an advisory covering 18 CVEs	before 5.0.4+dfsg1-1+deb10u1, plus listed versions 5.0.4+dfsg1-1	5.0.4+dfsg1-1+deb10u1
`wordpress` Ubuntu:16.04:LTS	All versions, plus listed versions 4.3+dfsg-14.3.1+dfsg-14.4+dfsg-14.4.1+dfsg-14.4.2+dfsg-14.4.2+dfsg-1ubuntu1	None known
`wordpress` Ubuntu:18.04:LTS	All versions, plus listed versions 4.8.2+dfsg-24.8.3+dfsg-14.9.1+dfsg-14.9.2+dfsg-14.9.4+dfsg-14.9.5+dfsg1-1	None known
`wordpress` Ubuntu:20.04:LTS	All versions, plus listed versions 5.2.2+dfsg1-15.2.4+dfsg1-15.3.2+dfsg1-15.3.2+dfsg1-1ubuntu1	None known
`wordpress` Ubuntu:22.04:LTS	All versions, plus listed versions 5.7.1+dfsg1-2ubuntu15.8.1+dfsg1-2ubuntu15.8.2+dfsg1-1ubuntu15.8.3+dfsg1-1ubuntu15.8.3+dfsg1-1ubuntu1.1	None known
`wordpress` Ubuntu:24.04:LTS	All versions, plus listed versions 6.2+dfsg1-1ubuntu16.4.3+dfsg1-1ubuntu1	None known
`wordpress` Ubuntu:25.10	All versions, plus listed versions 6.7.2+dfsg1-1.1ubuntu1	None known
`wordpress` Ubuntu:26.10	All versions, plus listed versions 6.7.2+dfsg1-1.1ubuntu2	None known
`wordpress` Ubuntu:26.04:LTS	All versions, plus listed versions 6.7.2+dfsg1-1.1ubuntu16.7.2+dfsg1-1.1ubuntu2	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-16217 is a medium vulnerability (CVSS 6.1) in Wordpress, published September 11, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.53%, the 74th percentile. Fixed in wordpress 5.2.3+dfsg1-1.

References

Show 5 moreShow less