Apostrophe has a Weak Password Recovery Mechanism for Forgotten Password and Improper Input Validation

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Summary

CVECVE-2026-45013
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-12 21:16:22 UTC
Updated2026-06-13 04:17:22 UTC
DescriptionApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 have a password reset flow that constructs the reset URL using `req.hostname`, which is derived directly from the attacker-controlled HTTP `Host` header when `apos.baseUrl` is not explicitly configured. An unauthenticated attacker who knows a victim's email address can send a crafted reset request that causes the application to email the victim a reset link pointing to the attacker's domain. When the victim clicks the link, the valid reset token is delivered to the attacker, enabling full account takeover. As of time of publication, no known patched versions are available.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS: 0.001400000 probability, percentile 0.340380000 (date 2026-06-12)

Problem Types: CWE-20 | CWE-640 | CWE-20 CWE-20: Improper Input Validation | CWE-640 CWE-640: Weak Password Recovery Mechanism for Forgotten Password

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
3.1CNADECLARED8.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apostrophecms Apostrophe affected <= 4.29.0 Not specified

References

ReferenceSourceLinkTags
github.com/apostrophecms/apostrophe/security/advisories/GHSA-gf43-24g3-5hw2 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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