CVE-2018-9997

mediumpriority · track · 25EPSS 0.019 · 79 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.87% (79th) EPSS

CVSS 4.3 · medium

Is it mine?

7 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Cross-site scripting (XSS) vulnerability in mail compose in Open-Xchange OX App Suite before 7.6.3-rev31, 7.8.x before 7.8.2-rev31, 7.8.3 before 7.8.3-rev41, and 7.8.4 before 7.8.4-rev28 allows remote attackers to inject arbitrary web script or HTML via the data-target attribute in an HTML page with data-toggle gadgets.

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 (7)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
open-xchange open-xchange appsuite≤ 7.6.3nvdUScpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*
open-xchange open-xchange appsuite= 7.6.3nvdUScpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*
open-xchange open-xchange appsuite= 7.8.0nvdUScpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*
open-xchange open-xchange appsuite= 7.8.2nvdUScpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*
open-xchange open-xchange appsuite= 7.8.3nvdUScpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*
open-xchange open-xchange appsuite= 7.8.4nvdUScpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*

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 2018-07-05modified 2026-06-17

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+53085 more

references (10)

External citations — patches, advisories, analysis.

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