CVE-2021-39325mediumCWE-79

OptinMonster <= 2.6.0 Reflected Cross-Site Scripting

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.1epss 0.9%

exploitation probability

0.9%top 44% of all CVEs

observed exploitation

nono source reports it

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.

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

Affected products

OptinMonster · OptinMonster

References

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2595758%40optinmonster&new=2595758%40optinmonster&sfp_email=&sfph_mail=#file2 https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39325