CVE-2023-33756

Name: CVE-2023-33756
Creator: NVD / NIST
Published: 2023-08-08T15:15:10.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2023-33756 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue in the SpreadSheetPlugin component of Foswiki v2.1.7 and below allows attackers to execute a directory traversal.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

An issue in the SpreadSheetPlugin component of Foswiki v2.1.7 and below allows attackers to execute a directory traversal.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Foswiki	Foswiki	>= 1.0.0, <= 2.1.7

References

https://foswiki.org/Support/SecurityAlert-CVE-2023-33756Exploit, Patch, Vendor Advisory
https://foswiki.org/Support/SecurityAlert-CVE-2023-33756Exploit, Patch, Vendor Advisory

Timeline

Published: Aug 8, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-33756?

An issue in the SpreadSheetPlugin component of Foswiki v2.1.7 and below allows attackers to execute a directory traversal.

How severe is CVE-2023-33756?

CVE-2023-33756 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2023-33756?

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-2023-33756?

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

Scan your code now

Source: NVD / NIST