CVE-2021-31673: n/a vulnerability

CVE-2021-31673: A Dom-based Cross-site scripting (XSS) vulnerability at registration account in Cyclos 4 PRO.14.7 and befor...

A Dom-based Cross-site scripting (XSS) vulnerability at registration account in Cyclos 4 PRO.14.7 and before allows remote attackers to inject arbitrary web script or HTML via the groupId parameter.

UnknownCVSS not scoredNot KEV-listedUpdatedJul 9, 2026, 00:13 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2021-31673 is a DOM-based cross-site scripting issue in the registration account flow of Cyclos 4 PRO 4.14.7 and earlier. An attacker could place script or HTML through the groupId parameter. Business impact depends on whether the registration page is exposed to untrusted users. Organizations running Cyclos 4 PRO 4.14.7 or earlier may be exposed, especially if registration is internet-facing or reachable by untrusted users. Treat as a near-term web application remediation item if Cyclos registration is public-facing. The risk is lower for internal-only or disabled registration, but unresolved XSS can affect users and trust. Mitigation focus: Inventory Cyclos deployments and identify any Cyclos 4 PRO versions at or below 4.14.7.; Check official Cyclos vendor guidance for fixed versions or recommended configuration changes.; Prioritize reducing exposure of public registration pages until remediation guidance is applied..

Prepared: Jul 9, 2026, 08:20 UTC (UTC+00:00)

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

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 1, 2022, 23:08 UTC (UTC+00:00)

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

3Timeline events

1ADP providers

2Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
Apr 23, 2021, 00:00 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
May 1, 2022, 23:08 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Jul 9, 2026, 00:13 UTC (UTC+00:00)

ADP provider summaries

Source materials

CVE List V5 sourceCVE List V5
https://tf1t.gitbook.io/mycve/cylos/cyclos-4.14.7-dom-based-cross-site-scripting-cve-2021-31673CVE reference, mitre

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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