Security readout for executives and security teams
Plain-English summary
CVE-2021-26080 is a cross-site scripting issue in Jira Server and Jira Data Center. A remote attacker could inject HTML or JavaScript through EditworkflowScheme.jspa. The business concern is potential abuse of trusted Jira sessions or pages. The supplied sources do not show active exploitation.
Executive priority
Treat this as a timely patching item, especially for exposed or high-trust Jira environments. It is not KEV-listed in the supplied bundle, but XSS in a collaboration platform can still create session and trust risks.
Technical view
The CVE describes XSS in EditworkflowScheme.jspa affecting Jira Server and Jira Data Center before 8.5.14, 8.6.0 before 8.13.6, and 8.14.0 before 8.16.1. The source does not provide CVSS, CWE, authentication requirements, payload details, or exploit prerequisites.
Likely exposure
Exposure is limited to self-managed Jira Server or Jira Data Center instances running the affected version ranges. The supplied sources do not list Jira Cloud or other Atlassian products as affected.
Exploitation context
The CVE record says remote attackers can inject arbitrary HTML or JavaScript. CISA KEV status is false in the supplied bundle, and no cited source here confirms active exploitation or public exploit availability.
Researcher notes
Evidence is sparse. The provided record identifies the vulnerable endpoint and version ranges but omits CVSS, CWE, privilege requirements, and exploit conditions. Avoid assuming exploitability beyond remote HTML or JavaScript injection unless Atlassian guidance adds detail.
Mitigation direction
- Upgrade affected Jira Server or Data Center instances to 8.5.14, 8.13.6, 8.16.1, or later supported versions.
- Check Atlassian JRASERVER-72432 for vendor-specific remediation details and any backport guidance.
- Restrict administrative Jira access until affected instances are upgraded.
- Prioritize internet-exposed or widely accessible Jira instances first.
Validation and detection
- Inventory Jira Server and Data Center versions across production and non-production environments.
- Confirm whether any instance falls before 8.5.14, 8.13.6, or 8.16.1 in the stated ranges.
- Review access to EditworkflowScheme.jspa and related workflow administration pages.
- Check Jira logs and security monitoring for unexpected workflow scheme page activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-26080 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://jira.atlassian.com/browse/JRASERVER-72432CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.