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CVE-2019-16222

22
FAUCET Score

CVE-2019-16222 is a medium-severity cross-site scripting (XSS) vulnerability affecting WordPress versions prior to 5.2.3, specifically due to improper URL sanitization in the wp_kses_bad_protocol_once function. This flaw allows an unauthenticated attacker to inject malicious scripts, potentially leading to information disclosure or unauthorized actions, requiring user interaction to succeed. While the CVSS score is 6.1, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion, suggesting a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.2.3CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.20%
Probability of exploitation in next 30 days
EPSS Percentile
80.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0220 is in the 91st percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

core.trac.wordpress.org / changeset/45997
PatchVendor Advisory
github.com / WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61a8ed68
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2019/10/msg00023.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2020/Jan/8
Mailing ListThird Party Advisory
wordpress.org / news/2019/09/wordpress-5-2-3-security-and-maintenance-release
Release NotesVendor Advisory
wpvulndb.com / vulnerabilities/9867
ExploitThird Party Advisory
debian.org / security/2020/dsa-4599
Third Party Advisory
debian.org / security/2020/dsa-4677
Third Party Advisory