Unrestricted File Upload Leading to XSS in imartinez/privategpt

published 2024-05-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-32419

cvss: 6.8; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits: 0; none known

A stored Cross-Site Scripting (XSS) vulnerability exists in the 'imartinez/privategpt' repository due to improper validation of file uploads. Attackers can exploit this vulnerability by uploading malicious HTML files, such as those containing JavaScript payloads, which are then executed in the context of the victim's session when accessed. This could lead to the execution of arbitrary JavaScript code in the context of the user's browser session, potentially resulting in phishing attacks or other malicious actions. The vulnerability affects the latest version of the repository.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-05-16)

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.com https://huntr.com/bounties/cae1a492-4e09-4d56-8e11-17703bdfe653 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.8	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/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

Affected products

imartinez imartinez/privategpt

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

huntr.com /bounties/cae1a492-4e09-4d56-8e11-17703bdfe653
exploit, issue-tracking, third-party-advisory

Sources

CVE List CVE-2024-3851
NVD CVE-2024-3851

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.

Summary