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Fencer Vulns
low 3.5

CVE-2023-3445 json

Cross-site Scripting (XSS) - Stored in spinacms/spina

published 2023-06-28 3 y ago modified 2026-06-17 4 mo ago also GHSA-97wh-6hmj-g8j9 , EUVD-2023-1760

cvss
3.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

Cross-site Scripting (XSS) - Stored in GitHub repository spinacms/spina prior to 2.15.1.

Patch / fix

  • rubygems spina 2.15.1
  • spinacms spinacms/spina 2.15.1
  • denkgroot spina 2.15.1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/18a74a9d-4a2d-4bf8-ae62-56a909427070 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 3.5 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
GitHub 3.0 3.5 CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
rubygems spina
<2.15.1
2.15.1

Affected products

  • spinacms spinacms/spina
  • denkgroot spina

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.