Firefly III up to 5.4.4 Auto-Complete cross site scripting

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 (≈)
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CTI Interest Score
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2.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Firefly III up to 5.4.4. It has been declared as problematic. The impacted element is an unknown function of the component Auto-Complete. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2020-27981. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Firefly III up to 5.4.4. Affected by this issue is some unknown processing of the component Auto-Complete. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

The weakness was disclosed 10/29/2020. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2020-27981. The exploitation is known to be difficult. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 5.4.5 eliminates this vulnerability. The upgrade is hosted for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.6
VulDB Meta Temp Score: 2.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Firefly III 5.4.5

Timelineinfo

10/28/2020 🔍
10/29/2020 +1 days 🔍
10/29/2020 +0 days 🔍
11/30/2020 +32 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2020-27981 (🔍)
GCVE (CVE): GCVE-0-2020-27981
GCVE (VulDB): GCVE-100-164072

Entryinfo

Created: 10/29/2020 09:05
Updated: 11/30/2020 12:38
Changes: 10/29/2020 09:05 (38), 11/30/2020 12:32 (2), 11/30/2020 12:38 (7)
Complete: 🔍
Cache ID: 216::103

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