HIGH

CVE-2021-3337

CVSS v3

7.5

HIGH

EPSS Score

17.4%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

The Hide-Thread-Content plugin through 2021-01-27 for MyBB allows remote attackers to bypass intended content-reading restrictions by clicking on reply or quote in the postbit.

Technical details

Published
1/28/2021

Frequently asked questions

What is CVE-2021-3337?

The Hide-Thread-Content plugin through 2021-01-27 for MyBB allows remote attackers to bypass intended content-reading restrictions by clicking on reply or quote in the postbit.

Is CVE-2021-3337 actively exploited?

Active exploitation of CVE-2021-3337 has not been confirmed. The EPSS score is 17.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-3337?

CVE-2021-3337 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2021-3337 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.