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CVE-2018-20150

23
FAUCET Score

CVE-2018-20150 describes a cross-site scripting (XSS) vulnerability affecting WordPress versions prior to 4.9.9 and 5.0.1. This flaw allows attackers to inject malicious scripts via crafted URLs, particularly impacting certain plugin functionalities. Rated Medium severity with a CVSS score of 6.1, it requires user interaction and could lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.9.9CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
>= 5.0, < 5.0.1CPE 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:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
5.05%
Probability of exploitation in next 30 days
EPSS Percentile
91.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0505 is in the 96th percentile among its peer group of 26,234 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

codex.wordpress.org / Version_4.9.9
ProductVendor Advisory
github.com / WordPress/WordPress/commit/fb3c6ea0618fcb9a51d4f2c1940e9efcd4a2d460
PatchThird Party Advisory
lists.debian.org / debian-lts-announce/2019/02/msg00019.html
Mailing ListThird Party Advisory
wordpress.org / news/2018/12/wordpress-5-0-1-security-release
Release NotesVendor Advisory
wordpress.org / support/wordpress-version/version-5-0-1
Release NotesVendor Advisory
wpvulndb.com / vulnerabilities/9173
Vendor Advisory
debian.org / security/2019/dsa-4401
Third Party Advisory
zdnet.com / article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords
Press/Media CoverageThird Party Advisory
securityfocus.com / bid/106220
Third Party AdvisoryVDB Entry