CVE-2021-39111

mediumpriority · track · 24EPSS 0.013 · 71 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.33% (71st) EPSS

CVSS 4.3 · medium

Is it mine?

16 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

The Editor plugin in Atlassian Jira Server and Data Center before version 8.5.18, from 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the handling of supplied content such as from a PDF when pasted into a field such as the description field.

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

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (16)

Products and version ranges known to be affected.

Atlassian Jira Data Center8.14.0 → unspecifiedenisa_euvdEU
Atlassian Jira Data Center8.6.0 → unspecifiedenisa_euvdEU
Atlassian Jira Data Centerunspecified → 8.13.10enisa_euvdEU
Atlassian Jira Data Centerunspecified → 8.18.2enisa_euvdEU
Atlassian Jira Data Centerunspecified → 8.5.18enisa_euvdEU
Atlassian Jira Server8.14.0 → unspecifiedenisa_euvdEU
Atlassian Jira Server8.6.0 → unspecifiedenisa_euvdEU
Atlassian Jira Serverunspecified → 8.13.10enisa_euvdEU
Atlassian Jira Serverunspecified → 8.18.2enisa_euvdEU
Atlassian Jira Serverunspecified → 8.5.18enisa_euvdEU
atlassian data center< 8.5.18nvdUScpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
atlassian jira< 8.5.18nvdUScpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
atlassian jira data center8.14.0 → 8.18.2nvdUScpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
atlassian jira data center8.6.0 → 8.13.10nvdUScpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
atlassian jira server8.14.0 → 8.18.2nvdUScpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira server8.6.0 → 8.13.10nvdUScpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

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 2021-08-30modified 2026-06-17

related (53,011)

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…
CVE-2025-66376US	medium6.1OT critical	20.2% (97th)	KEV	2026-01-05
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…

+53006 more

references (3)

External citations — patches, advisories, analysis.

https://jira.atlassian.com/browse/JRASERVER-72716 cnnvd
https://jira.atlassian.com/browse/JRASERVER-72716 enisa_euvd
https://jira.atlassian.com/browse/JRASERVER-72716Issue TrackingVendor Advisorynvd

scry

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