CVE-2019-16217

MEDIUM

WordPress <5.2.3 - XSS

Title source: llm

Description

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

References (6)

[Patch, Vendor Advisory] https://core.trac.wordpress.org/changeset/45936

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html

[Mailing List, Third Party Advisory] https://seclists.org/bugtraq/2020/Jan/8

[Release Notes, Vendor Advisory] https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/

[Third Party Advisory] https://www.debian.org/security/2020/dsa-4599

[Third Party Advisory] https://www.debian.org/security/2020/dsa-4677

Scores

CVSS v3 6.1

EPSS 0.0257

EPSS Percentile 85.3%

Attack Vector NETWORK

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

Classification

CWE

CWE-79

Status published

Affected Products (4)

wordpress/wordpress < 5.2.3

debian/debian_linux

debian/debian_linux

debian/debian_linux

Timeline

Published Sep 11, 2019

Tracked Since Feb 18, 2026