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Fencer Intel
medium 6.1

CVE-2017-16884 json

Cross-site scripting (XSS) vulnerability in MistServer before 2.13 allows remote attackers to inject arbitrary web script or HTML via vecto…

published 8y ago modified 4mo ago also EUVD-2017-8055

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.3%
EPSS 4.3% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • mistserver mistserver 2.13

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Timeline

  1. First public exploit (EDB-43205)
  2. Published

Exploit prediction

4.33% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-43205 MistServer 2.12 - Cross-Site Scripting webapps, 2017-12-01
  • packetstormsecurity.com http://packetstormsecurity.com/files/145182/MistServer-2.12-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2017/Dec/2 referenced PoC, tagged "exploit" by a source, unverified
  • hyp3rlinx.altervista.org http://hyp3rlinx.altervista.org/advisories/MIST-SERVER-v2.12-UNAUTHENTICATED-PERSISTENT-XSS-CVE-2017-16884.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.