TrueConf Server 5.5.2.10813 Display Name csv injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in TrueConf Server 5.5.2.10813. Affected by this issue is some unknown functionality of the component Display Name Handler. The manipulation leads to csv injection. This vulnerability is documented as CVE-2025-66834. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in TrueConf Server 5.5.2.10813. This issue affects some unknown functionality of the component Display Name Handler. The manipulation 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 integrity. The summary by CVE is:

A CSV Formula Injection vulnerability in TrueConf Server v5.5.2.10813 allows a normal user to inject malicious spreadsheet formulas into exported chat logs via crafted Display Name.

The identification of this vulnerability is CVE-2025-66834 since 12/08/2025. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/31/2025).

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

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

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

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

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: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/08/2025 CVE reserved
12/31/2025 +23 days Advisory disclosed
12/31/2025 +0 days VulDB entry created
12/31/2025 +0 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2025-66834 (🔒)
GCVE (CVE): GCVE-0-2025-66834
GCVE (VulDB): GCVE-100-339131

Entryinfo

Created: 12/31/2025 04:10
Changes: 12/31/2025 04:10 (52)
Complete: 🔍
Cache ID: 216::103

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

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