CVE-2024-31213

InstantCMS Open Redirect vulnerability

MEDIUM
5.4
CVSS Score
Published: April 5, 2024 at 02:43 PM UTC
Updated: June 17, 2026 at 07:27 AM UTC
2 products affected across 2 vendorsInstantcmsInstantcms

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

InstantCMS is a free and open source content management system. An open redirect was found in the ICMS2 application version 2.16.2 when being redirected after modifying one's own user profile. An attacker could trick a victim into visiting their web application, thinking they are still present on the ICMS2 application. They could then host a website stating "To update your profile, please enter your password," upon which the user may type their password and send it to the attacker. As of time of publication, a patched version is not available.

Affected

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

v < 2.16.2
Affected range stops below 2.16.2, so it looks safe — our inference, not a vendor statement
v ≤ 2.16.2v < 2.16.2
Affected range stops below 2.16.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

References (1)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-601

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