CVE-2021-43956

MEDIUM

Atlassian Crucible and Fisheye < 4.8.9 - Prototype Pollution via jQuery Deserialize

Title source: llm

Description

The jQuery deserialize library in Fisheye and Crucible before version 4.8.9 allowed remote attackers to to inject arbitrary HTML and/or JavaScript via a prototype pollution vulnerability.

References (2)

Core 2

Core References

Issue Tracking, Vendor Advisory x_refsource_misc

https://jira.atlassian.com/browse/FE-7395

Issue Tracking, Vendor Advisory x_refsource_misc

https://jira.atlassian.com/browse/CRUC-8531

Scores

CVSS v3 6.1

EPSS 0.0037

EPSS Percentile 58.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-1321

Status published

Products (2)

atlassian/crucible < 4.8.9

atlassian/fisheye < 4.8.9

Published Mar 16, 2022

Tracked Since Feb 18, 2026