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Fencer Vulns
medium 5.4

CVE-2023-31698 json

Bludit v3.14.1 is vulnerable to Stored Cross Site Scripting (XSS) via SVG file on site logo.

published 2023-05-17 3 y ago modified 2026-11-03 5 d ago also EUVD-2023-35993

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
1
Exploit-DB

Summary

Bludit v3.14.1 is vulnerable to Stored Cross Site Scripting (XSS) via SVG file on site logo. NOTE: the product's security model is that users are trusted by the administrator to insert arbitrary content (users cannot create their own accounts through self-registration).

Timeline

  1. Published
  2. First public exploit (EDB-51476)

CISA SSVC

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

Exploit prediction

2.59% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-51476 Bludit CMS v3.14.1 - Stored Cross-Site Scripting (XSS) (Authenticated) webapps, 2023-05-23
  • github.com https://github.com/bludit/bludit/issues/1509 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/172462/Bludit-CMS-3.14.1-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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.