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Fencer Vulns
medium 5.9

CVE-2024-25639 json

Prompt Injection triggered XSS vulnerability in Khoj Obsidian, Desktop and Web clients

published 2024-07-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-22955

cvss
5.9
version 3.1, 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

Khoj is an application that creates personal AI agents. The Khoj Obsidian, Desktop and Web clients inadequately sanitize the AI model's response and user inputs. This can trigger Cross Site Scripting (XSS) via Prompt Injection from untrusted documents either indexed by the user on Khoj or read by Khoj from the internet when the user invokes the /online command. This vulnerability is fixed in 1.13.0.

Patch / fix

  • khojai khoj 1.13.0

CISA SSVC

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

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/khoj-ai/khoj/security/advisories/GHSA-h2q2-vch3-72qm referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:L
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • khoj-ai khoj
  • khojai khoj

Classification

Weakness
  • CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
  • CWE-77 Improper Neutralization of Special Elements used in a Command
  • 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.