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CVE Record

CVE-2021-32850: jQuery MiniColors vulnerable to Cross-site Scripting

jQuery MiniColors is a color picker built on jQuery. Prior to version 2.3.6, jQuery MiniColors is prone to cross-site scripting when handling untrusted color names. This issue is patched in version 2.3.6.

MediumCVSS 6.1Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-32850 is a cross-site scripting issue in jQuery MiniColors. If a site lets untrusted content influence color names handled by the plugin, a user could be exposed to script execution in their browser. The issue is fixed in version 2.3.6.

Executive priority

Schedule remediation in the normal vulnerability queue, with higher priority for public-facing or multi-user applications. The business risk is browser-side script execution affecting trust, session safety, and data integrity, but the provided evidence does not support emergency treatment or active-exploitation claims.

Technical view

The vulnerability is CWE-79 XSS in @claviska/jquery-minicolors before 2.3.6 when processing untrusted color names. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact.

Likely exposure

Exposure is most likely in web applications or admin interfaces that include jQuery MiniColors and render color names influenced by users or external data. Review npm usage of @claviska/jquery-minicolors before 2.3.6. The provided sources do not identify specific downstream applications beyond Fedora package advisories.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation requires user interaction and a vulnerable integration path where untrusted color names are handled by the plugin. Treat this as a realistic web XSS risk, not confirmed widespread exploitation.

Researcher notes

The key source is GitHub Security Lab advisory GHSL-2021-1045, with the upstream fix and 2.3.6 release referenced. Validate exposure through dependency inventory and data-flow review rather than assuming every MiniColors use is exploitable. Avoid claiming exploitation without new evidence.

Mitigation direction

  • Upgrade @claviska/jquery-minicolors to version 2.3.6 or later.
  • Review vendor and distribution advisories for packaged deployments.
  • Remove or restrict untrusted color-name inputs where upgrade is delayed.
  • Apply normal XSS defenses around output encoding and content security policy.

Validation and detection

  • Inventory frontend dependencies for @claviska/jquery-minicolors usage.
  • Confirm installed versions are 2.3.6 or later.
  • Identify pages that render MiniColors with user-controlled or external color names.
  • Run regression tests covering affected color-picker inputs after upgrade.
Prepared
Confidence
high
Sources
7

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-32850 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.1 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2021-32850Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
npm@claviska/jquery-minicolors2.3.6Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.