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TI-2021-02283 Aliases CVE-2021-3243GHSA-4g65-6f28-v2h9

Wfilter ICF 5.0.117 contains a cross-site scripting (XSS) vulnerability.

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Wfilter ICF 5.0.117 contains a cross-site scripting (XSS) vulnerability. An attacker in the same LAN can craft a packet with a malicious User-Agent header to inject a payload in its logs, where an attacker can take over the system by through its plugin-running function.

Why it matters now

EPSS 0.00725 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wfiltericf:wfilter_internet_content_filter:5.0.117:*:*:*:*:*:*:*5.0.117VulnerableWfiltericf
  • cpe:2.3:a:wfiltericf:wfilter_internet_content_filter:5.0.117:*:*:*:*:*:*:* Versions 5.0.117 Vulnerable ·Wfiltericf

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3243
  2. 2026-10-03 Alias added: GHSA-4g65-6f28-v2h9

References

Sources