CVE-2017-16884

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-12-07 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

Mistserver: before 2.13 — fixed in 2.13

How to fix

Upgrade to a fixed version: Mistserver 2.13. Check the vendor advisory for mitigations.

References

http://hyp3rlinx.altervista.org/advisories/MIST-SERVER-v2.12-UNAUTHENTICATED-PERSISTENT-XSS-CVE-2017-16884.txt
http://packetstormsecurity.com/files/145182/MistServer-2.12-Cross-Site-Scripting.html
http://seclists.org/fulldisclosure/2017/Dec/2
https://news.mistserver.org/news/78/Stable+release+2.13+now+available%21
https://www.exploit-db.com/exploits/43205/
http://hyp3rlinx.altervista.org/advisories/MIST-SERVER-v2.12-UNAUTHENTICATED-PERSISTENT-XSS-CVE-2017-16884.txt
http://packetstormsecurity.com/files/145182/MistServer-2.12-Cross-Site-Scripting.html
http://seclists.org/fulldisclosure/2017/Dec/2
https://news.mistserver.org/news/78/Stable+release+2.13+now+available%21
https://www.exploit-db.com/exploits/43205/

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