VDB-236363 · CVE-2023-33756 · EUVD-2023-37908

Foswiki up to 2.1.7 SpreadSheetPlugin eval information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Foswiki up to 2.1.7. The affected element is the function eval of the component SpreadSheetPlugin. The manipulation leads to information disclosure. This vulnerability is listed as CVE-2023-33756. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Foswiki up to 2.1.7 (Content Management System) and classified as problematic. This issue affects the function eval of the component SpreadSheetPlugin. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was presented 08/08/2023. It is possible to read the advisory at blog.foswiki.org. The identification of this vulnerability is CVE-2023-33756. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 2.1.8 eliminates this vulnerability. The upgrade is hosted for download at blog.foswiki.org.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-37908). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Content Management System

Name

Foswiki

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Foswiki 2.1.8

Timelineinfo

05/22/2023 🔍
08/08/2023 +78 days 🔍
08/08/2023 +0 days 🔍
01/06/2026 +882 days 🔍

Sourcesinfo

Advisory: blog.foswiki.org
Status: Confirmed

CVE: CVE-2023-33756 (🔍)
GCVE (CVE): GCVE-0-2023-33756
GCVE (VulDB): GCVE-100-236363
EUVD: 🔍

Entryinfo

Created: 08/08/2023 08:18
Updated: 01/06/2026 14:49
Changes: 08/08/2023 08:18 (40), 09/01/2023 07:29 (2), 09/01/2023 07:35 (11), 01/06/2026 14:49 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.