CVE-2026-57533
Pretix HTML Injection
Description
Malicious HTML content could be injected into the page pretix shows when redirection to an untrusted page occurs. Since this page has a Content-Security-Policy, this can mainly be used for phishing purposes.
INFO
Published Date :
June 25, 2026, 3:16 p.m.
Last Modified :
June 25, 2026, 4:16 p.m.
Remotely Exploit :
Yes !
Source :
655498c3-6ec5-4f0b-aea6-853b334d05a6
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 4.0 | LOW | 655498c3-6ec5-4f0b-aea6-853b334d05a6 | ||||
| CVSS 4.0 | LOW | 655498c3-6ec5-4f0b-aea6-853b334d05a6 |
Solution
- Sanitize redirect URLs before redirection.
- Implement stricter Content-Security-Policy.
- Validate redirection targets carefully.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-57533.
| URL | Resource |
|---|---|
| https://pretix.eu/about/en/blog/20260625-release-2026-5-2/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-57533 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-57533
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-57533 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-57533 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 25, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-57533', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-25T15:05:08.728267Z'} -
New CVE Received by 655498c3-6ec5-4f0b-aea6-853b334d05a6
Jun. 25, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/pretix/pretix', 'vendor': 'pretix', 'product': 'pretix', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '2026.3.4', 'versionType': 'python'}, {'status': 'affected', 'version': '2026.4.0', 'lessThan': '2026.4.4', 'versionType': 'python'}, {'status': 'affected', 'version': '2026.5.0', 'lessThan': '2026.5.2', 'versionType': 'python'}], 'packageName': 'pretix', 'collectionURL': 'https://pypi.python.org', 'defaultStatus': 'unaffected'}] Added Description Malicious HTML content could be injected into the page pretix shows when redirection to an untrusted page occurs. Since this page has a Content-Security-Policy, this can mainly be used for phishing purposes. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-80 Added Reference https://pretix.eu/about/en/blog/20260625-release-2026-5-2/