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Fencer Vulns
medium 6.1

CVE-2018-17054 json

Cross-site scripting (XSS) vulnerability in Identity Server in Progress Sitefinity CMS versions 10.0 through 11.0 allows remote attackers t…

published 2018-10-03 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-8837

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in Identity Server in Progress Sitefinity CMS versions 10.0 through 11.0 allows remote attackers to inject arbitrary web script or HTML via vectors related to login request parameters, a different vulnerability than CVE-2018-17053.

Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • insinuator.net https://insinuator.net/2018/10/vulnerabilities-in-sitefinity-wcms-a-success-story-of-a-responsible-disclosure-process/ 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 Vulns 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.