HIGH
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
Published May 23, 2017
7.5
HIGHCVSS 3.0
EPSS 83.61%
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.
Affected products
No data.
- ≤ 2.3.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
83.61% 0.83614
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.83614
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (41 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 83.61% (0.83614) | 99.68th | v5 (v2026.06.15) |
| Sep 22, 2026 | 83.61% (0.83614) | 99.67th | v5 (v2026.06.15) |
| Sep 21, 2026 | 80.22% (0.80216) | 99.61th | v5 (v2026.06.15) |
| Sep 6, 2026 | 83.61% (0.83614) | 99.67th | v5 (v2026.06.15) |
| Sep 5, 2026 | 80.22% (0.80216) | 99.60th | v5 (v2026.06.15) |
| Aug 30, 2026 | 83.61% (0.83614) | 99.67th | v5 (v2026.06.15) |
| Aug 28, 2026 | 80.22% (0.80216) | 99.60th | v5 (v2026.06.15) |
| Aug 24, 2026 | 83.61% (0.83614) | 99.66th | v5 (v2026.06.15) |
| Aug 23, 2026 | 80.22% (0.80216) | 99.60th | v5 (v2026.06.15) |
| Jun 15, 2026 | 83.61% (0.83614) | 99.65th | v5 (v2026.06.15) |
| Mar 4, 2026 | 53.55% (0.53554) | 97.94th | v4 (v2025.03.14) |
| Mar 1, 2026 | 47.58% (0.47583) | 97.66th | v4 (v2025.03.14) |
| Feb 4, 2026 | 53.55% (0.53554) | 97.91th | v4 (v2025.03.14) |
| Feb 1, 2026 | 47.58% (0.47583) | 97.63th | v4 (v2025.03.14) |
| Jan 4, 2026 | 53.55% (0.53554) | 97.88th | v4 (v2025.03.14) |
| Jan 1, 2026 | 47.58% (0.47583) | 97.61th | v4 (v2025.03.14) |
| Dec 4, 2025 | 53.55% (0.53554) | 97.85th | v4 (v2025.03.14) |
| Dec 1, 2025 | 47.58% (0.47583) | 97.58th | v4 (v2025.03.14) |
| Nov 4, 2025 | 53.55% (0.53554) | 97.85th | v4 (v2025.03.14) |
| Nov 1, 2025 | 47.58% (0.47583) | 97.58th | v4 (v2025.03.14) |
| Oct 4, 2025 | 53.55% (0.53554) | 97.90th | v4 (v2025.03.14) |
| Oct 1, 2025 | 47.58% (0.47583) | 97.64th | v4 (v2025.03.14) |
| Sep 4, 2025 | 53.55% (0.53554) | 97.91th | v4 (v2025.03.14) |
| Sep 1, 2025 | 47.58% (0.47583) | 97.65th | v4 (v2025.03.14) |
| Aug 4, 2025 | 53.55% (0.53554) | 97.87th | v4 (v2025.03.14) |
| Aug 1, 2025 | 47.58% (0.47583) | 97.63th | v4 (v2025.03.14) |
| Jul 21, 2025 | 54.29% (0.54290) | 97.88th | v4 (v2025.03.14) |
| Jul 4, 2025 | 68.26% (0.68257) | 98.50th | v4 (v2025.03.14) |
| Jul 1, 2025 | 63.41% (0.63408) | 98.30th | v4 (v2025.03.14) |
| Jun 4, 2025 | 68.26% (0.68257) | 98.48th | v4 (v2025.03.14) |
| Jun 1, 2025 | 63.41% (0.63408) | 98.28th | v4 (v2025.03.14) |
| May 4, 2025 | 68.26% (0.68257) | 98.48th | v4 (v2025.03.14) |
| May 1, 2025 | 63.41% (0.63408) | 98.28th | v4 (v2025.03.14) |
| Mar 17, 2025 | 68.26% (0.68257) | 98.49th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.60% (0.06597) | 93.70th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.90% (0.00896) | 83.37th | v3 (v2023.03.01) |
| Feb 29, 2024 | 0.80% (0.00798) | 81.14th | v3 (v2023.03.01) |
| May 2, 2023 | 0.80% (0.00798) | 79.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00625) | 75.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 34.96% (0.34958) | 97.79th | v2 (v2022.01.01) |
| Feb 4, 2022 | 34.96% (0.34958) | 96.76th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://packetstormsecurity.com/files/142486/Vanilla-Forums-2.3-Remote-Code-Execution.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://exploitbox.io/vuln/Vanilla-Forums-Exploit-Host-Header-Injection-CVE-2016-10073-0day.html x_refsource_MISCExploitThird Party Advisory
- https://open.vanillaforums.com/discussion/33498/critical-security-release-vanilla-2-3-1 x_refsource_CONFIRMPatchVendor Advisory
- https://www.exploit-db.com/exploits/41996/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/142486/Vanilla-Forums-2.3-Remote-Code-Execution.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://exploitbox.io/vuln/Vanilla-Forums-Exploit-Host-Header-Injection-CVE-2016-10073-0day.html | x_refsource_MISCExploitThird Party Advisory | |
| https://open.vanillaforums.com/discussion/33498/critical-security-release-vanilla-2-3-1 | x_refsource_CONFIRMPatchVendor Advisory | |
| https://www.exploit-db.com/exploits/41996/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 23, 2017
Updated Aug 6, 2024
Reserved Dec 27, 2016
Link CVE-2016-10073
CISA Vulnrichment
Updated n/a