Threats / D-Link / CVE-2013-5223
CVE-2013-5223
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
D-Link DSL-2760U vulnerability
Cross-site scripting vulnerability in D-Link DSL-2760U gateway allows authenticated users to inject arbitrary web script or HTML.
Verdict
Today item — known-exploited.
Authenticated XSS in gateway management interface. Exploited in wild. Enables session hijacking, credential theft, or malware distribution to other users accessing the device.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
4 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25).
Probability (EPSS)
EPSS 0.33567 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: D-Link, DSL-2760U. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-79 Cross-site Scripting (XSS) — weakness family: Web / client.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I authenticate to the DSL-2760U web interface using valid credentials.
Business
Gateway access control assumes authenticated users are trusted; this assumption fails.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I inject malicious JavaScript into a stored field or parameter that reflects back to other administrators.
Business
Administrative sessions become compromised, exposing network configuration and credentials.
3
Lateral reach — past segmentation narrative 3
Attacker
I capture session tokens or redirect administrators to phishing pages via the injected script.
Business
Attackers gain persistent access to gateway management, enabling network-wide compromise.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05