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Fencer Intel
medium 6.1

CVE-2019-16217 json

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

published 7y ago modified 4mo ago also EUVD-2019-7029

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

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

Patch / fix

  • wordpress wordpress 5.2.3
  • wordpress Debian 14, Debian 13, Debian 12 5.2.3+dfsg1-1

debian advisories DEBIAN-CVE-2019-16217

Is CVE-2019-16217 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-16217 updated cvss 6.1

wordpress: XSS in media uploads because wp_ajax_upload_attachment is mishandled

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.