Stored Cross-Site Scripting Vulnerability in Word Replacer Plugin for WordPress
CVE-2026-3620

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Word Replacer
Vendor
CVE Published:
2 June 2026

What is CVE-2026-3620?

The Word Replacer plugin for WordPress is susceptible to Stored Cross-Site Scripting through the 'replacement' parameter. All versions up to and including 0.4 lack sufficient input sanitization and output escaping. This vulnerability permits authenticated attackers with Administrator-level access to inject arbitrary scripts into pages. These scripts will execute whenever users access an impacted page, potentially leading to unauthorized actions or data exposure.

Affected Version(s)

Word Replacer 0 <= 0.4

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/word-replacer/...
https://plugins.trac.wordpress.org/browser/word-replacer/...

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

san6051
.