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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 83.6%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 83.61% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 11 May 2017
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- vanillaforums/vanilla
- Source
- cve@mitre.org
EPSS moved from 80.2% on 21 September 2026 to 83.6% on 4 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/142486/Vanilla-Forums-2.3-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://exploitbox.io/vuln/Vanilla-Forums-Exploit-Host-Header-Injection-CVE-2016-10073-0day.htmlExploit, Third Party Advisory
- https://open.vanillaforums.com/discussion/33498/critical-security-release-vanilla-2-3-1Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/41996/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/142486/Vanilla-Forums-2.3-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://exploitbox.io/vuln/Vanilla-Forums-Exploit-Host-Header-Injection-CVE-2016-10073-0day.htmlExploit, Third Party Advisory
- https://open.vanillaforums.com/discussion/33498/critical-security-release-vanilla-2-3-1Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/41996/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.