CVE-2018-6811

mediumpriority · track · 24EPSS 0.012 · 67 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.17% (67th) EPSS

CVSS 4.3 · medium

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Multiple cross-site scripting (XSS) vulnerabilities in Citrix NetScaler ADC 10.5, 11.0, 11.1, and 12.0, and NetScaler Gateway 10.5, 11.0, 11.1, and 12.0 allow remote attackers to inject arbitrary web script or HTML via the Citrix NetScaler interface.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.05.6mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
citrix netscaler application delivery controller firmware= 10.5nvdUScpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller firmware= 11.0nvdUScpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller firmware= 11.1nvdUScpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix netscaler application delivery controller firmware= 12.0nvdUScpe:2.3:o:citrix:netscaler_application_delivery_controller_firmware:*:*:*:*:*:*:*:*
citrix netscaler gateway firmware= 10.5nvdUScpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
citrix netscaler gateway firmware= 11.0nvdUScpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
citrix netscaler gateway firmware= 11.1nvdUScpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*
citrix netscaler gateway firmware= 12.0nvdUScpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-03-06modified 2026-06-17

related (53,008)

Related entries.

ID	severity	EPSS	exploitable	published
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Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network…
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Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
CVE-2025-68461US	medium6.1OT critical	27.4% (98th)	KEV	2025-12-18
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
CVE-2025-48700US	—OT critical	1.71% (77th)	KEV	2025-06-23
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
CVE-2025-27915US	—OT critical	4.06% (91st)	KEV	2025-03-12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient…

+53003 more

references (6)

External citations — patches, advisories, analysis.

http://www.securitytracker.com/id/1040440 cnnvd
https://support.citrix.com/article/CTX232161 cnnvd
http://www.securitytracker.com/id/1040440 enisa_euvd
https://support.citrix.com/article/CTX232161 enisa_euvd
http://www.securitytracker.com/id/1040440Third Party AdvisoryVDB Entrynvd
https://support.citrix.com/article/CTX232161PatchVendor Advisorynvd

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