XSS in Wordpress

CVE-2015-3438

Multiple cross-site scripting (XSS) vulnerabilities in WordPress before 4.1.2, when MySQL is used without strict mode, allow remote attackers to inject arbitrary web script or HTML via a (1) four-byte UTF-8 character or (2) invalid character that reaches the database layer, as demonstrated by a crafted character in a comment.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.086 (94.5th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-3438?
CVE-2015-3438 is a vulnerability in Wordpress, classified under Cross-site Scripting. Published 2015-08-05.
Is CVE-2015-3438 known to be exploited?
14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.