Vulnerability · Published Sep 20, 2021 · Assigned by Wordfence
CVE-2021-39325OptinMonster <= 2.6.0 Reflected Cross-Site Scripting
Medium 6.1
In plain English
A medium-severity cross-site scripting in OptinMonster from OptinMonster. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.9%top 40.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The OptinMonster WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to insufficient input validation in the load_previews function found in the ~/OMAPI/Output.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.6.0.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OptinMonster | OptinMonster | 2.6.0 – through 2.6.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N