CVE-2021-24247

MEDIUMCVSS 5.4/10EPSS 4.70%

Last modified

CVE-2021-24247 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Contact Form Check Tester WordPress plugin through 1.0.2 settings are visible to all registered users in the dashboard and are lacking any sanitisation. As a result, any registered user, such as subscriber, can leave an XSS payload in the plugin settings, which will be triggered by any user visiting them, and could allow for privilege escalation. EPSS estimates a 4.70% chance of exploitation in the next 30 days.

Description

The Contact Form Check Tester WordPress plugin through 1.0.2 settings are visible to all registered users in the dashboard and are lacking any sanitisation. As a result, any registered user, such as subscriber, can leave an XSS payload in the plugin settings, which will be triggered by any user visiting them, and could allow for privilege escalation. The vendor decided to close the plugin.

Metrics

CVSS 3.1
5.4/10

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

EPSS Probability
4.70%

90.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MooveagencyContact Form Check Tester<= 1.0.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-24247?
The Contact Form Check Tester WordPress plugin through 1.0.2 settings are visible to all registered users in the dashboard and are lacking any sanitisation. As a result, any registered user, such as subscriber, can leave an XSS payload in the plugin settings, which will be triggered by any user visiting them, and could allow for privilege escalation. The vendor decided to close the plugin.
How severe is CVE-2021-24247?
CVE-2021-24247 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 4.70% probability of exploitation in the next 30 days.
How do I fix CVE-2021-24247?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24247?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST