Kirby up to 3.5.7 Image Block cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Kirby up to 3.5.7 and classified as problematic. This issue affects some unknown processing of the component Image Block Handler. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2021-41258. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Kirby up to 3.5.7. This affects an unknown part of the component Image Block 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 released 11/18/2021 as GHSA-cq58-r77c-5jjw. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-41258 since 09/15/2021. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 3.5.8 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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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

EPSS Score: 🔍
EPSS Percentile: 🔍

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: Kirby 3.5.8
Patch: github.com

Timelineinfo

09/15/2021 🔍
11/18/2021 +64 days 🔍
11/18/2021 +0 days 🔍
11/21/2021 +3 days 🔍

Sourcesinfo

Advisory: GHSA-cq58-r77c-5jjw
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41258 (🔍)
GCVE (CVE): GCVE-0-2021-41258
GCVE (VulDB): GCVE-100-186861

Entryinfo

Created: 11/18/2021 08:12
Updated: 11/21/2021 14:48
Changes: 11/18/2021 08:12 (51), 11/21/2021 14:46 (2), 11/21/2021 14:47 (17), 11/21/2021 14:48 (1)
Complete: 🔍
Cache ID: 216::103

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