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Fencer Vulns
medium 6.4

CVE-2023-4158 json

Cross-site Scripting (XSS) - Stored in omeka/omeka-s

published 2023-08-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54037

cvss
6.4
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

Cross-site Scripting (XSS) - Stored in GitHub repository omeka/omeka-s prior to 4.0.3.

Patch / fix

  • omeka omeka/omeka-s 4.0.3
  • omeka omeka 4.0.3

CISA SSVC

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

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/e0e462ae-d7cb-4a84-b6fe-5f5de20e3d15 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.4 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • omeka omeka/omeka-s
  • omeka omeka

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.