CVE-2026-126306
EspoCRM before 10.0.8 Stored XSS via Malicious SVG Attachment
CVSS Score
8.0
EPSS Score
0.0%
EPSS Percentile
0th
EspoCRM before 9.3.11 and 10.x before 10.0.8 contains a stored cross-site scripting vulnerability that allows low-privileged users to upload crafted SVG images that submit authenticated POST requests to arbitrary backend endpoints. Attackers can trick an administrator into opening the SVG in a separate browser tab and clicking it, performing administrator actions such as elevating the attacker's account to administrator.
| CWE | CWE-79 |
| Vendor | espocrm |
| Product | espocrm |
| Published | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
espocrm / espocrm
10.0.0 < 10.0.8
espocrm / espocrm
0 < 9.3.11
References
Credits
🔍 AdamKorcz