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

CVE-2019-16217

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.

MEDIUM · CVSS 6.1 EPSS 0.02575
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
wordpress< 5.2.3
debian linuxall versions
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Sep 2019 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://core.trac.wordpress.org/changeset/45936PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00023.htmlMailing ListThird Party Advisory
https://seclists.org/bugtraq/2020/Jan/8Mailing ListThird Party Advisory
https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/Release NotesVendor Advisory
https://www.debian.org/security/2020/dsa-4599Third Party Advisory
https://www.debian.org/security/2020/dsa-4677Third Party Advisory
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