JForum2 2.7.0 User Signature ViewCommon.java cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.1$0-$5k0.00

Summaryinfo

A vulnerability was found in JForum2 2.7.0 and classified as problematic. This impacts an unknown function of the file ViewCommon.java of the component User Signature Handler. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2021-40509. The attack may be launched remotely. Furthermore, there is an exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in JForum2 2.7.0 (Forum Software). It has been classified as problematic. Affected is an unknown code of the file ViewCommon.java of the component User Signature Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity.

The weakness was shared 09/05/2021. The advisory is shared for download at lists.openwall.net. This vulnerability is traded as CVE-2021-40509. Successful exploitation requires user interaction by the victim. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

The exploit is shared for download at lists.openwall.net. It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at sourceforge.net.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.5
VulDB Temp Score: 3.1
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: sourceforge.net

Timelineinfo

09/04/2021 🔍
09/05/2021 +1 days 🔍
09/05/2021 +0 days 🔍
09/09/2021 +4 days 🔍

Sourcesinfo

Advisory: lists.openwall.net
Status: Not defined

CVE: CVE-2021-40509 (🔍)
GCVE (CVE): GCVE-0-2021-40509
GCVE (VulDB): GCVE-100-182004
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/05/2021 07:26
Updated: 09/09/2021 15:26
Changes: 09/05/2021 07:26 (42), 09/09/2021 15:26 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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