Hazard

Is CVE-2013-5223 being exploited?

Confirmed exploited in the wild

CISA has evidence of active exploitation. This is not theoretical risk — someone has already used it against someone.

D-Link DSL-2760U Gateway Cross-Site Scripting Vulnerability

D-Link · DSL-2760U

CVSS 5.4 EPSS 34% 2 public exploits Fix deadline passed 15 April 2022

What it is

A cross-site scripting (XSS) vulnerability exists in the D-Link DSL-2760U gateway, allowing remote authenticated users to inject arbitrary web script or HTML.

Why we say that

  • 2 public exploits published
  • CISA's federal remediation deadline (2022-04-15) has passed
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

Apply updates per vendor instructions.

Public exploit code

Indexed from Exploit-DB. Presence of code raises urgency; absence does not mean safety.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. Where an unfixed vulnerability leads to a breach, the ICO treats it as a security failure under UK GDPR. Recent cases:

All UK cases caused by unpatched software →