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Fencer Vulns
medium 4.8

CVE-2024-40111 json

Automad Cross-site Scripting vulnerability

published 2024-08-23 2 y ago modified 2026-09-10 1 mo ago also GHSA-g8h2-j9pm-4xx2 , EUVD-2024-2581

cvss
4.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits
0
none known

Summary

A persistent (stored) cross-site scripting (XSS) vulnerability has been identified in Automad 2.0.0-alpha.4. This vulnerability enables an attacker to inject malicious JavaScript code into the template body. The injected code is stored within the flat file CMS and is executed in the browser of any user visiting the forum.

CISA SSVC

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

Exploit prediction

0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/w3bn00b3r/Stored-Cross-Site-Scripting-XSS---Automad-2.0.0-alpha.4/ referenced PoC, tagged "exploit" by a source, unverified
  • drive.google.com https://drive.google.com/file/d/10BVQKYo2H1-Nx3FOGteL2xww4lbZ3xlS/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

  • automad automad

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.