CVE-2026-30459Public exploitNetwork attack vector

Account takeover via Host-header poisoning

Published Apr 16, 2026 · Updated Apr 16, 2026

Host-header poisoning in Daylight Studio FUEL CMS 1.5.2 allows remote attackers to steal password-reset tokens through emailed links. The pwd_reset action passes a token-bearing path to fuel_url(), which uses the unvalidated client-controlled Host header to generate the reset URL placed in the message. An attacker needs a valid user email, and the victim must click the poisoned link; the captured token permits the victim's password to be reset.

CVSS severity7.1
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Host-header poisoning in Daylight Studio FUEL CMS 1.5.2 allows remote attackers to steal password-reset tokens through emailed links. The pwd_reset action passes a token-bearing path to fuel_url(), which uses the unvalidated client-controlled Host header to generate the reset URL placed in the message. An attacker needs a valid user email, and the victim must click the poisoned link; the captured token permits the victim's password to be reset.

The record

CVE
CVE-2026-30459
Published
Apr 16, 2026
Updated
Apr 16, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-640, T1566.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 16, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 16, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-640Weak Password Recovery Mechanism for Forgotten Password
T1566.002Phishing: Spearphishing Link

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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