CVE-2021-26080: atlassian jira_data_center
Vulnerability summary
CVE-2021-26080 is a medium (CVSS 6.1) vulnerability in atlassian jira_data_center. EPSS estimates a 1.29% chance of exploitation in the next 30 days, higher than 70.3% of scored vulnerabilities.
Not severe (CVSS 6.1, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 07-06-2021PublishedVulnerability first disclosed.
- 17-10-2024Last modifiedVulnerability information updated.
Description
EditworkflowScheme.jspa in Jira Server and Jira Data Center before version 8.5.14, and from version 8.6.0 before version 8.13.6, and from 8.14.0 before 8.16.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.29%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.29% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Atlassian2 products
- jira_data_center≥ unspecified, < 8.5.14 | ≥ 8.6.0, < unspecified | ≥ unspecified, < 8.13.6 | ≥ 8.14.0, < unspecified | ≥ unspecified, < 8.16.1 | < 8.5.14 | ≥ 8.6.0, < 8.13.6 | ≥ 8.14.0, < 8.16.1
- jira_server≥ unspecified, < 8.5.14 | ≥ 8.6.0, < unspecified | ≥ unspecified, < 8.13.6 | ≥ 8.14.0, < unspecified | ≥ unspecified, < 8.16.1 | < 8.5.14 | ≥ 8.6.0, < 8.13.6 | ≥ 8.14.0, < 8.16.1
1 vendor · 2 products