SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-13493

In Sitecore 9.0 rev 171002, Persistent XSS exists in the Media Library and File Manager.

EXPLOITMEDIUM 5.4EPSS 1.58%

Does this matter?

A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.6%. Treat it as high on anything reachable from the internet.

Description

In Sitecore 9.0 rev 171002, Persistent XSS exists in the Media Library and File Manager. An authenticated unprivileged user can modify the uploaded file extension parameter to inject arbitrary JavaScript.

CVSS 3.0
5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
1.58% probability · 75th percentile
Public exploits
1 in Exploit-DB · first 11 July 2019
CISA KEV
Not listed
Weakness
CWE-79
Affected
sitecore/experience platform
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 1.58%27 October 202627 October 2026

EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-47106source ↗Sitecore 9.0 rev 171002 - Persistent Cross-Site Scriptingaspx · Owais Mehtabwebapps11 July 2019no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.