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CVE-2023-31689

CRITICALCVSS 9.8/10EPSS 21.76%

Last modified

CVE-2023-31689 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In Wcms 0.3.2, an attacker can send a crafted request from a vulnerable web application backend server /wcms/wex/html.php via the finish parameter and the textAreaCode parameter. It can write arbitrary strings into custom file names and upload any files, and write malicious code to execute scripts to trigger command execution.. EPSS estimates a 21.76% chance of exploitation in the next 30 days.

Description

In Wcms 0.3.2, an attacker can send a crafted request from a vulnerable web application backend server /wcms/wex/html.php via the finish parameter and the textAreaCode parameter. It can write arbitrary strings into custom file names and upload any files, and write malicious code to execute scripts to trigger command execution.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
21.76%

97.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WcmsWcms0.3.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-31689?
In Wcms 0.3.2, an attacker can send a crafted request from a vulnerable web application backend server /wcms/wex/html.php via the finish parameter and the textAreaCode parameter. It can write arbitrary strings into custom file names and upload any files, and write malicious code to execute scripts to trigger command execution.
How severe is CVE-2023-31689?
CVE-2023-31689 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 21.76% probability of exploitation in the next 30 days.
How do I fix CVE-2023-31689?
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-2023-31689?

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

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Source: NVD / NIST