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TI-2026-80064 Aliases CVE-2026-115993GHSA-fgjg-4v79-vhpp

Stored XSS in the Notes field of Cervantes project checklists

Priority LOW 30CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Cervantes by CervantesSec, from alpha 0.3 through 1.3-beta, contains a stored cross-site scripting flaw (CWE-79) in the Notes field of project checklists. The Notes content is not neutralized before other users see it. An attacker with low privileges can store script that runs in another user's browser with elevated privileges, and the victim must interact with the page.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

Stored XSS vulnerability in the “Notes” field of the Checklists in Cervantes version v1.3-beta could allow an attacker to execute arbitrary code in another user's browser with elevated privileges

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00321 25th percentileScored 2026-11-07
Fix Fixed cervantes (CervantesSec): v.1.4.0-beta

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CervantesSeccervantesalpha 0.3 – 1.3-betav.1.4.0-betaPatch availableCNA
  • cervantes VendorCervantesSec Affected alpha 0.3 – 1.3-beta Fixed in v.1.4.0-beta Patch available CNA

Remediation

Upgrade CervantesSec Cervantes to v.1.4.0-beta, the fixed version listed for this product.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

  • Fix · CNA cervantes (CervantesSec) Fixed in v.1.4.0-beta

Timeline

  1. 2026-10-24 Threatist record created from CVE-2026-115993
  2. 2026-10-24 Alias added: GHSA-fgjg-4v79-vhpp
  3. 2026-10-24 Priority changed: MEDIUM → LOW
  4. 2026-11-02 CISA SSVC decision points changed

References

Patch 2

  • TI-2026-80063 Broken access control in Cervantes JiraController CVSS 3.1HIGH 7.1
  • TI-2024-28061 Cervantes through 0.5-alpha allows stored XSS. CVSS 3.1MEDIUM 6.1
  • TI-2024-28060 Cervantes through 0.5-alpha accepts insecure file uploads. CVSS 3.1MEDIUM 5.4
  • TI-2026-80075 Cervantes BOLA lets users change other projects' targets CVSS 3.1MEDIUM 5.4
  • TI-2026-80076 Cervantes lets users read and change findings in other projects CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences