CVE-2021-25965

Calibre-web - Admin Account Takeover via Cross-Site Request Forgery (CSRF)

HIGH
8.8
CVSS Score
Published: November 16, 2021 at 09:15 AM UTC
Updated: June 17, 2026 at 03:42 AM UTC
2 products affected across 2 vendorsCalibre-WebCalibre Web

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

In Calibre-web, versions 0.6.0 to 0.6.13 are vulnerable to Cross-Site Request Forgery (CSRF). By luring an authenticated user to click on a link, an attacker can create a new user role with admin privileges and attacker-controlled credentials, allowing them to take over the application.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.6.0 ≤ v ≤ 0.6.13
v ≥ 0.6.0v ≤ 0.6.130.6.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHMend
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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