How severe is CVE-2016-10073?

CVE-2016-10073 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-10073 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 84% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10073?

CVE-2016-10073 affects Vanillaforums Vanilla. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10073?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-10073 published?

CVE-2016-10073 was published on 2017-05-23 and last updated on 2026-06-17.

CVE-2016-10073

CVE-2016-10073 is a high-severity vulnerability in Vanillaforums Vanilla with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 84% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 84% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Vanillaforums Vanilla
Published: 2017-05-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2016-10073?: 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.
How severe is CVE-2016-10073?: CVE-2016-10073 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-10073 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 84% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10073?: CVE-2016-10073 affects Vanillaforums Vanilla. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10073?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-10073 published?: CVE-2016-10073 was published on 2017-05-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vanillaforums:vanilla:*:*:*:*:*:*:*:*

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