Is CVE-2013-5223 actively exploited?

Yes. KEV Intelligence tracks CVE-2013-5223 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2013-5223. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

Version-level data is not available; KEV Intelligence tracks D-Link DSL-2760U Gateway.

Yes. CVE-2013-5223 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2013-5223

DSL-2760U Gateway Cross-Site Scripting

D-Link / DSL-2760U Gateway

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Severity: CVSS 5.4 · Medium
Confidence: Confirmed
Exploit status: Exploited in the wild
EPSS: 33.6%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2013-5223 is a vulnerability affecting D-Link DSL-2760U Gateway. Multiple cross-site scripting (XSS) vulnerabilities in D-Link DSL-2760U Gateway (Rev. E1) allow remote authenticated users to inject arbitrary web...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

D-Link / DSL-2760U Gateway.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Multiple cross-site scripting (XSS) vulnerabilities in D-Link DSL-2760U Gateway (Rev

Multiple cross-site scripting (XSS) vulnerabilities in D-Link DSL-2760U Gateway (Rev.

E1) allow remote authenticated users to inject arbitrary web script or HTML via the (1) ntpServer1 parameter to sntpcfg.cgi, username parameter to (2) ddnsmngr.cmd or (3) todmngr.tod, (4) TodUrlAdd parameter to urlfilter.cmd, (5) appName parameter to scprttrg.cmd, (6) fltName in an add action or (7) rmLst parameter in a remove action to scoutflt.cmd, (8) groupName parameter to portmapcfg.cmd, (9) snmpRoCommunity parameter to snmpconfig.cgi, (10) fltName parameter to scinflt.cmd, (11) PolicyName in an add action or (12) rmLst parameter in a remove action to prmngr.cmd, (13) ippName parameter to ippcfg.cmd, (14) smbNetBiosName or (15) smbDirName parameter to samba.cgi, or (16) wlSsid parameter to wlcfg.wl.

Published: 15 Nov 2013
Exploitation Reported: 25 Mar 2022
Attack vector: Remote
Complexity: Low
Privileges: Low
User interaction: Required

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2013-5223
99611 osvdb.org · VDB Entry http://osvdb.org/99611
99609 osvdb.org · VDB Entry http://osvdb.org/99609
dlink-cve20135223-xss(88723) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/88723
dlink-cve20135223-multiple-xss(88724) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/88724
99605 osvdb.org · VDB Entry http://osvdb.org/99605
99607 osvdb.org · VDB Entry http://osvdb.org/99607
99608 osvdb.org · VDB Entry http://osvdb.org/99608
99606 osvdb.org · VDB Entry http://osvdb.org/99606
99610 osvdb.org · VDB Entry http://osvdb.org/99610
99604 osvdb.org · VDB Entry http://osvdb.org/99604
99615 osvdb.org · VDB Entry http://osvdb.org/99615
99603 osvdb.org · VDB Entry http://osvdb.org/99603
99612 osvdb.org · VDB Entry http://osvdb.org/99612
99616 osvdb.org · VDB Entry http://osvdb.org/99616
99613 osvdb.org · VDB Entry http://osvdb.org/99613
20131110 D-Link Router 2760N (DSL-2760U-BN) Multiple XSS seclists.org · Mailing List http://seclists.org/fulldisclosure/2013/Nov/76
securityadvisories.dlink.com/security/publication.aspx securityadvisories.dlink.com · CVE Record http://securityadvisories.dlink.com/security/publication.aspx?name=SA...
packetstormsecurity.com/files/123976 packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/123976

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 25 Mar 2022

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
CISA First	2022-03-25 00:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

5.4 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS

33.6%

Weaknesses

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE-79

All CVSS Scores

CVSS v3.1 5.4 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0 3.5 Low

AV:N/AC:M/Au:S/C:N/I:P/A:N

Timeline

From disclosure to observed exploitation

25 Mar 2022
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
15 Nov 2013
CVE published

Vulnerability disclosed publicly
15 Aug 2013
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2013-5223

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2013-5223",
  "confidence": "Confirmed",
  "cvss_score": 5.4,
  "cvss_estimated": false,
  "epss_score": 0.33567,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

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