VDB-121501 · CVE-2018-0366 · BID 104724

Cisco Web Security Appliance Web-based Management Interface Reflected cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic was found in Cisco Web Security Appliance (Anti-Malware Software) (affected version not known). Affected by this vulnerability is some unknown functionality of the component Web-based Management Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). The CWE definition for the vulnerability is CWE-79. The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The bug was discovered 07/11/2018. The weakness was released 07/16/2018 with Cisco as cisco-sa-20180711-wsa-xss as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2018-0366 since 11/27/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/09/2023). MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316310 (Cisco Web Security Appliance Cross-Site Scripting Vulnerability(cisco-sa-20180711-wsa-xss)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


11/27/2017 🔍
07/11/2018 +226 days 🔍
07/11/2018 +0 days 🔍
07/16/2018 +4 days 🔍
07/16/2018 +0 days 🔍
07/16/2018 +0 days 🔍
04/09/2023 +1728 days 🔍


Vendor: cisco.com

Advisory: cisco-sa-20180711-wsa-xss
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0366 (🔍)
SecurityTracker: 1041282
SecurityFocus: 104724 - Cisco Web Security Appliance CVE-2018-0366 Cross Site Scripting Vulnerability


Created: 07/16/2018 10:39 PM
Updated: 04/09/2023 10:12 AM
Changes: 07/16/2018 10:39 PM (63), 03/05/2020 11:49 AM (5), 04/09/2023 10:12 AM (3)
Complete: 🔍


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