LiveActive security incident?Get immediate response
CVE Record

CVE-2021-39268: Persistent cross-site scripting (XSS) in the web interface of SuiteCRM before 7.11.19 allows a remote attac...

Persistent cross-site scripting (XSS) in the web interface of SuiteCRM before 7.11.19 allows a remote attacker to introduce arbitrary JavaScript via malicious SVG files. This occurs because the clean_file_output protection mechanism can be bypassed.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

SuiteCRM versions before 7.11.19 have a stored XSS issue where malicious SVG files can place JavaScript into the web interface. In a CRM, that can expose users to session theft, data access, or unauthorized actions when a victim views affected content.

Executive priority

Treat as a near-term remediation item if SuiteCRM is used. Stored XSS in a CRM can affect sensitive customer and business data, but the bundle does not show confirmed active exploitation or critical severity evidence.

Technical view

CVE-2021-39268 is persistent XSS in SuiteCRM before 7.11.19. The CVE states malicious SVG files can bypass the clean_file_output protection mechanism and introduce arbitrary JavaScript in the web interface. No CVSS, CWE, or affected CPE data is provided in the bundle.

Likely exposure

Exposure is most likely for organizations running SuiteCRM before 7.11.19, especially where users can upload or attach SVG files. The source bundle does not specify exact modules, roles, authentication requirements, or deployment configurations.

Exploitation context

A public write-up is referenced, and the CVE describes a remote attacker introducing JavaScript through malicious SVG files. CISA KEV is false in the bundle, and no cited source here confirms active exploitation.

Researcher notes

Key unknowns are role requirements, affected modules, and whether authentication is needed. Validate exposure by version and file-upload capability, then review the linked researcher write-up for context without relying on it as proof of exploitation in the wild.

Mitigation direction

  • Upgrade SuiteCRM to 7.11.19 or later, following vendor release guidance.
  • Review SuiteCRM release notes for any related security or upgrade instructions.
  • Restrict SVG upload or rendering until affected systems are upgraded.
  • Remove or quarantine suspicious uploaded SVG files from affected instances.

Validation and detection

  • Inventory SuiteCRM instances and record exact versions.
  • Confirm no production instance is running a version before 7.11.19.
  • Review file upload areas for SVG exposure and retained uploaded SVGs.
  • Check web logs for unusual SVG upload or access patterns.
Prepared
Confidence
medium
Sources
5

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.

cve · low confidence lookup

CVE-2021-39268 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
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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