Description
Stored XSS via avatar upload chained with an authentication bypass in /Attachments leads to ATO
in Cervantes version v1.3-beta could allow an attacker to execute arbitrary code in another user's browser with elevated privileges
Published: 2026-11-14
Score: 8.7 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Sat, 14 Nov 2026 11:30:00 +0000

Type Values Removed Values Added
Description Stored XSS via avatar upload chained with an authentication bypass in /Attachments leads to ATO in Cervantes version v1.3-beta could allow an attacker to execute arbitrary code in another user's browser with elevated privileges
Title Stored XSS via avatar upload chained with an authentication bypass in /Attachments leads to ATO
First Time appeared Cervantessec
Cervantessec cervantes
Weaknesses CWE-79
CPEs cpe:2.3:a:cervantessec:cervantes:*:*:*:*:*:*:*:*
cpe:2.3:a:cervantessec:cervantes:v.1.4.0-beta:*:*:*:*:*:*:*
Vendors & Products Cervantessec
Cervantessec cervantes
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N'}

Subscriptions

Cervantessec Cervantes
cve-icon MITRE

Status: PUBLISHED

Assigner: Grayback

Published:

Updated: 2026-11-14T11:19:54.038Z

Reserved: 2026-11-14T11:12:40.073Z

Link: CVE-2026-129427

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-14T12:17:44.720

Modified: 2026-11-14T12:17:44.830

Link: CVE-2026-129427

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')