CVE-2026-108109PHPNuxBill through 2025.3.20 Account Takeover via Brute-Forceable Password Reset Code
Updated under an hour ago ()
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It affects hotspotbilling phpnuxbill. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.39%, higher than 31% of scored CVEs.
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Free account, 1 product
PHPNuxBill through 2025.3.20 contains an account takeover vulnerability in the customer password reset flow in system/controllers/forgot.php that allows unauthenticated attackers to brute-force the 6-digit otp_code. Attackers knowing a customer username can guess the code without attempt limits or lockout, then read the newly set password from the HTTP response to hijack the account.
- CVSS
- 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-307
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.39% (percentile 31)
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 9, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
hotspotbilling phpnuxbill hotspotbilling:phpnuxbill (from the name) | through 2025.3.20 | CNA record |
References
- https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-337r-rrrc-r559vendor-advisory
- https://github.com/hotspotbilling/phpnuxbill/commit/c3c2a92d468af91136d747b75142ed72f10320ccpatch
- https://github.com/hotspotbilling/phpnuxbill/blob/2025.3.13/system/controllers/forgot.php#L41technical-description
- https://github.com/hotspotbilling/phpnuxbillproduct
- https://www.vulncheck.com/advisories/phpnuxbill-through-2025.3.20-account-takeover-via-brute-forceable-password-reset-codethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.