Tendenci 12.3.1 Message csv injection

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Tendenci 12.3.1. It has been classified as critical. Impacted is an unknown function. The manipulation of the argument Message leads to csv injection. This vulnerability is documented as CVE-2020-36962. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tendenci 12.3.1. This issue affects an unknown code block. The manipulation of the argument message with an unknown input leads to a csv injection vulnerability. Using CWE to declare the problem leads to CWE-1236. The product saves user-provided information into a Comma-Separated Value (CSV) file, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as a command when the file is opened by a spreadsheet product. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers to inject malicious formulas during export. Attackers can submit crafted payloads like '=10+20+cmd|' /C calc'!A0' in the message field to trigger arbitrary command execution when the CSV is opened in spreadsheet applications.

The weakness was released by Mufaddal Masalawala as 49145. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2020-36962 since 01/27/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (49145). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Csv injection
CWE: CWE-1236 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/27/2026 CVE reserved
01/28/2026 +1 days Advisory disclosed
01/28/2026 +0 days VulDB entry created
01/28/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 49145
Researcher: Mufaddal Masalawala
Status: Not defined

CVE: CVE-2020-36962 (🔒)
GCVE (CVE): GCVE-0-2020-36962
GCVE (VulDB): GCVE-100-343271
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/28/2026 20:37
Changes: 01/28/2026 20:37 (78)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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