Cross-Site Scripting Vulnerability in CryptPad Collaboration Suite
CVE-2025-49590

2.9LOW

Key Information:

Vendor

Cryptpad

Status
Cryptpad
Vendor
CVE Published:
18 June 2025

What is CVE-2025-49590?

CryptPad is a collaboration suite that had a vulnerability in its 'Link Bouncer' functionality prior to version 2025.3.0. This issue allows attackers to bypass the JavaScript URI filtering intended to prevent Cross-Site Scripting (XSS) attacks. An issue is present in the early execution path of the code that does not properly validate the URI's protocol or scheme, enabling a maliciously crafted URI to evade detection. Users should upgrade to version 2025.3.0 to mitigate this security risk.

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Deploy the Patch

Affected Version(s)

cryptpad < 2025.3.0

References

https://github.com/cryptpad/cryptpad/security/advisories/...
x_refsource_CONFIRM
https://github.com/cryptpad/cryptpad/commit/d5e4830ba104a...
x_refsource_MISC
https://github.com/cryptpad/cryptpad/blob/15c81aa8ccb737a...
x_refsource_MISC

CVSS V4

Score:
2.9
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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