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CVE-2026-57533

Quick assessment

Affected

pretix pretix

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

pretix是德国pretix公司开源的一个票务系统。 pretix存在跨站脚本漏洞，该漏洞源于重定向到不可信页面时可能注入恶意HTML内容，由于页面具有内容安全策略，这主要用于钓鱼目的。以下版本受到影响：2026.3.4之前版本、2026.4.0版本至2026.4.4之前版本和2026.5.0版本至2026.5.2之前版本。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.29% · P22 Updated Jun 27, 2026

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 3

Vendor	Product	Version Range	Status
pretix	pretix	`< 2026.3.4`	affected
		`2026.4.0< 2026.4.4`	affected
		`2026.5.0< 2026.5.2`	affected

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I. Basic Information for CVE-2026-57533

Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability 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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

Source: CVE Program / CVE List V5

Vulnerability Type

Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)

Source: CVE Program / CVE List V5

Vulnerability Title

pretix 跨站脚本漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
pretix	pretix	0 ~ 2026.3.4	-

II. Public POCs for CVE-2026-57533

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-57533

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Security Blog Posts for CVE-2026-57533 (1)

🔗 Security release 2026.5.2 of pretix and multiple plugins – pretix – Reinventing ticket sales for conferences, festivals, exhibitions, ... Read full article

https://www.cve.org/CVERecord?id=CVE-2026-57533

Same Patch Batch · pretix · 2026-06-25 · 10 CVEs total

CVE-2026-57532		pretix 跨站脚本漏洞
CVE-2026-57535		pretix 跨站脚本漏洞
CVE-2026-57534		Stored XSS in pretix-pages
CVE-2026-57536		Insufficient validation of payment status in pretix-mollie
CVE-2026-13222		Insufficient validation of payment status in pretix-oppwa
CVE-2026-13225		Stored XSS in ticket confirmation page
CVE-2026-13223		Insufficient validation of payment status in pretix-computop
CVE-2026-13350		venueless 授权问题漏洞
CVE-2026-13314		Stored XSS in pretix-digital

IV. Related Vulnerabilities

Same product: pretix

Same vendor: pretix

Same weakness: CWE-80