CVE-2017-16884
Cross-site scripting (XSS) vulnerability in MistServer before 2.13 allows remote attackers to inject arbitrary web script or HTML via vectors related to failed authentication requests alerts.
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 4.3%. Treat it as high on anything reachable from the internet.
Description
Cross-site scripting (XSS) vulnerability in MistServer before 2.13 allows remote attackers to inject arbitrary web script or HTML via vectors related to failed authentication requests alerts.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 4.33% probability · 91th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 1 December 2017
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- mistserver/mistserver
- Source
- cve@mitre.org
EPSS 4.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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://hyp3rlinx.altervista.org/advisories/MIST-SERVER-v2.12-UNAUTHENTICATED-PERSISTENT-XSS-CVE-2017-16884.txtExploit, Third Party Advisory
- http://packetstormsecurity.com/files/145182/MistServer-2.12-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2017/Dec/2Exploit, Mailing List, Third Party Advisory
- https://news.mistserver.org/news/78/Stable+release+2.13+now+available%21Release Notes
- https://www.exploit-db.com/exploits/43205/Exploit, Third Party Advisory, VDB Entry
- http://hyp3rlinx.altervista.org/advisories/MIST-SERVER-v2.12-UNAUTHENTICATED-PERSISTENT-XSS-CVE-2017-16884.txtExploit, Third Party Advisory
- http://packetstormsecurity.com/files/145182/MistServer-2.12-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2017/Dec/2Exploit, Mailing List, Third Party Advisory
- https://news.mistserver.org/news/78/Stable+release+2.13+now+available%21Release Notes
- https://www.exploit-db.com/exploits/43205/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.