Low severity · published Jun 25, 2026
CVE-2026-57533
Malicious HTML content could be injected into the page pretix shows when redirection to an untrusted page occurs
2.1
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
pretix · pretix
before 2026.3.4; 2026.4.0 before 2026.4.4; 2026.5.0 before 2026.5.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57533
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57533
pretix.eu
https://pretix.eu/about/en/blog/20260625-release-2026-5-2/
More from pretix
9.8
CVE-2024-27447
pretix before 2024.1.1 mishandles file validation
8.8
CVE-2026-57532
Malicious HTML content contained in the layout specification of a PDF ticket or badge layout was executed when the PDF editor is opened in the browser
7.7
CVE-2026-13602
Session takeover vulnerability
6.5
CVE-2026-2452
Unsafe variable evaluation in email templates
6.5
CVE-2026-2451
Unsafe variable evaluation in email templates
