EUVD-2026-39416
GHSA-8chh-vr7p-hqjf
Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/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
High privileges gate content injection; victim must view the page (UI:R); scope changes to affect other users' browsers, with no availability impact.
Primary rating from Vendor (rami.io).
CVSS VectorVendor: rami.io
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/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
Lifecycle Timeline
2DescriptionCVE.org
Malicious HTML content could be injected into the content of a page in the pretix-pages plugin.
AnalysisAI
HTML injection in the pretix-pages plugin for Pretix event ticketing software permits a high-privileged authenticated user to embed malicious HTML tags into plugin-rendered page content, which subsequently executes in the browsers of site visitors who view those pages. All tracked versions under cpe:2.3:a:pretix:pretix-pages are affected, with a vendor-released fix published 2026-06-25 in Pretix release 2026.5.2. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a high-privilege Pretix account (PR:H) with write access to pretix-pages plugin content - standard end-user or attendee accounts cannot trigger this vulnerability. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 2.1 accurately reflects the constrained real-world risk profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A compromised or malicious Pretix administrator with high-privilege access edits a pretix-pages plugin page to embed script-bearing HTML tags within the page body. Any visitor who subsequently navigates to the affected event page receives the injected HTML, which renders and executes in their browser context, potentially enabling session token theft or malicious redirects. |
| Remediation | Upgrade the pretix-pages plugin by updating Pretix to release 2026.5.2 or later, as detailed in the vendor advisory at https://pretix.eu/about/en/blog/20260625-release-2026-5-2/ published 2026-06-25. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-80 – Basic XSS
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External POC / Exploit Code
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