CVE-2023-49277

HIGH

dpaste < 3.8 - Reflected Cross-Site Scripting via Expires Parameter

Title source: llm
STIX 2.1

Description

dpaste is an open source pastebin application written in Python using the Django framework. A security vulnerability has been identified in the expires parameter of the dpaste API, allowing for a POST Reflected XSS attack. This vulnerability can be exploited by an attacker to execute arbitrary JavaScript code in the context of a user's browser, potentially leading to unauthorized access, data theft, or other malicious activities. Users are strongly advised to upgrade to dpaste release v3.8 or later versions, as dpaste versions older than v3.8 are susceptible to the identified security vulnerability. No known workarounds have been identified, and applying the patch is the most effective way to remediate the vulnerability.

Scores

CVSS v3 8.3
EPSS 0.0049
EPSS Percentile 65.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
darrennathanael/dpaste < 3.8
pypi/Dpaste 0 - 3.8PyPI
Published Dec 01, 2023
Tracked Since Feb 18, 2026