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Fencer Vulns
medium 5.4

CVE-2017-11127 json

Bolt CMS Stored XSS

published 2017-07-17 9 y ago modified 2026-06-17 4 mo ago also GHSA-hqxc-w9vw-3hp5 , EUVD-2022-4198

cvss
5.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

Bolt CMS 3.2.14 allows stored XSS by uploading an SVG document with a "Content-Type: image/svg+xml" header.

Exploit prediction

0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • websecnerd.blogspot.in https://websecnerd.blogspot.in/2017/07/bolt-cms-3.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist bolt/bolt
<=3.2.14
no fix listed

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.