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Password reset token disclosure in Grav Login plugin via reset page

Priority LOW 37CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-200.

Summary

The Grav Login plugin from 1.2.0 before 3.9.9 contains an information disclosure flaw (CWE-200). A user who can author a page can place it at the password reset route. When a victim opens an emailed reset link, that page exposes the victim's username and password-reset token. An attacker with low privileges can use this to take over more privileged accounts, but the victim must open the link.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Grav Login plugin 1.2.0 before 3.9.9 contains an information disclosure vulnerability that allows publishers to obtain password-reset tokens by authoring a page at the reset route. When a victim opens an emailed reset link, the publisher-controlled page rendered by Login::getPage() exposes the username and bearer token, enabling takeover of more privileged accounts.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00284 20th percentileScored 2026-11-07
Fix Fixed grav-plugin-login (getgrav): 3.9.9

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
getgravgrav-plugin-login1.2.0 to before 3.9.93.9.9Patch availableCNA
  • grav-plugin-login Vendorgetgrav Affected 1.2.0 to before 3.9.9 Fixed in 3.9.9 Patch available CNA

Remediation

Update grav-plugin-login to version 3.9.9, the only fixed version listed in the sources.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA grav-plugin-login (getgrav) Fixed in 3.9.9

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    getgrav grav-plugin-login 3.9.9

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-71129 Two-factor authentication bypass in Grav Login plugin via remember-me cookiePriority LOW 39
    • TI-2026-71128 Authentication bypass in Grav Login plugin skips 2FA checksPriority LOW 39

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-109314
  2. 2026-10-12 Alias added: GHSA-7cwq-9cr7-g8jf
  3. 2026-10-13 Priority changed: MEDIUM → LOW
  4. 2026-10-13 CISA SSVC decision points changed

References

  • TI-2026-30893 Grav: Privilege Escalation via Missing Server-Side Validation of groups/access CVSS 3.1CRITICAL 9.4
  • TI-2025-28971 Cross Site Scripting vulnerability in grav v.1.7.48 and before allows an attacker to… CVSS 3.1CRITICAL 9.8
  • TI-2021-04523 Unauthenticated Arbitrary YAML Write/Update leads to Code Execution CVSS 3.1CRITICAL 9.8
  • TI-2026-50940 Grav CMS before 2.0.16 Origin Validation Bypass via Referer CVSS 4.0CRITICAL 9.3
  • TI-2026-46446 Grav before 2.0.7 Remote Code Execution via Blueprint dynamicData CVSS 4.0CRITICAL 9.3
  • TI-2021-22428 GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2) CVSS 4.0CRITICAL 9.3
See all 228 →

Sources