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Fencer Intel
high 8.8

CVE-2024-26483 json

Kirby vulnerable to unrestricted file upload of user avatar images

published 2y ago modified 4mo ago also GHSA-xrvh-rvc4-5m43 , EUVD-2024-0772

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

An arbitrary file upload vulnerability in the Profile Image module of Kirby CMS v4.1.0 allows attackers to execute arbitrary code via a crafted PDF file.

Patch / fix

  • packagist getkirby/cms 3.6.6.5, 3.7.5.4, 3.8.4.3, 3.9.8.1, 3.10.0.1, 4.1.1
  • getkirby kirby 3.6.6.5, 3.7.5.4, 3.8.4.3, 3.9.8.1

Is CVE-2024-26483 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

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

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • shrouded-trowel-50c.notion.site https://shrouded-trowel-50c.notion.site/Kirby-CMS-4-1-0-Unrestricted-File-Upload-dc60ce3132f04442b73f2dba2631fae0?pvs=4 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
GitHub 3.1 4.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist getkirby/cms
<3.6.6.5
>=3.7.0, <3.7.5.4
>=3.8.0, <3.8.4.3
>=3.9.0, <3.9.8.1
>=3.10.0, <3.10.0.1
>=4.0.0, <4.1.1
3.6.6.5
3.7.5.4
3.8.4.3
3.9.8.1
3.10.0.1
4.1.1

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel 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.