CVE-2016-10073

HIGH ⚠ Exploit

The from method in library/core/class.email.php in Vanilla Forums before 2.3.1 allows remote attackers to spoof the email domain in sent messages and potentially obtain sensitive information via a ...

Affects 1 product across 1 vendor.

CVSS 3.07.5
EPSS83.6%
Percentile100th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, no integrity impact, no availability impact.
CWE Weakness Definitions
CWE-200: Exposure of Sensitive Information

Application reveals restricted data such as system internals, credentials, or user data to unauthorized actors.

Related Attack Patterns (CAPEC)
CAPEC-13 Subverting Environment Variable Values
via CWE-200
CAPEC-59 Session Credential Falsification through Prediction
via CWE-200
CAPEC-60 Reusing Session IDs (aka Session Replay)
via CWE-200
CAPEC-79 Using Slashes in Alternate Encoding
via CWE-200
CAPEC-285 ICMP Echo Request Ping
via CWE-200
Show all 59

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A vulnerability in Vanilla Forums before version 2.3.1 allows attackers to spoof the email domain in sent messages, potentially leading to the exposure of sensitive information such as password reset links.

BSID: BS-2017-GLOBAL-161250-H • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2016-10073?
A vulnerability in Vanilla Forums before version 2.3.1 allows attackers to spoof the email domain in sent messages, potentially leading to the exposure of sensitive information such as password reset links.
What is the CVSS score for CVE-2016-10073?
CVE-2016-10073 has CVSS 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS: 83.6%.
Is CVE-2016-10073 actively exploited?
Public exploit available for CVE-2016-10073. Exploitation risk elevated.
How do I remediate CVE-2016-10073?
Priority: HIGH. Advisory: https://open.vanillaforums.com/discussion/33498/critical-security-release-vanilla-2-3-1 PSIRT: [email protected]
What systems are affected by CVE-2016-10073?
CVE-2016-10073 affects Vanillaforums Vanilla.
Vulnerability Details
CVE IDCVE-2016-10073
BSIDBS-2017-GLOBAL-161250-H BreachSpider Global ID
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published2017-05-23
Last Modified2026-06-17
ICS Relevance0%
Weakness (CWE)
Exposure of Sensitive Information
SourceNVD
Official Description

The from method in library/core/class.email.php in Vanilla Forums before 2.3.1 allows remote attackers to spoof the email domain in sent messages and potentially obtain sensitive information via a crafted HTTP Host header, as demonstrated by a password reset request.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability exists in the 'from' method within the 'library/core/class.email.php' file. Attackers can exploit this by sending a crafted HTTP Host header, which can be used to spoof the email domain in outgoing emails, such as password reset requests.

Exploitation Likelihood: MEDIUM

Affected Products
VendorProductAffected Versions
Vanillaforums Vanilla ≤ 2.3.0
Remediation
View Vendor Advisory →

Remediation Priority: HIGH

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 3433 Days
CISA known-exploitedNot in KEV catalog
Public Exploit⚠ Available — Reference
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
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View all Vanillaforums CVEs →

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