CVE-2025-49590: CryptPad is a collaboration suite

Q: How do I fix CVE-2025-49590?

cryptpad: upgrade to 2025.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-49590 being exploited?

CVE-2025-49590 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-49590 affect?

CVE-2025-49590 affects cryptpad. Severity is medium (CVSS 6.1). CryptPad is a collaboration suite. Prior to version 2025.3.0, the "Link Bouncer" functionality attempts to filter javascript URIs to prevent Cross-Site Scripting (XSS), however this can be bypassed. There is an "early allow" code path that

Q: How urgent is CVE-2025-49590?

Priority 33/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2025-49590 is a medium-severity flaw (CVSS 6.1) affecting cryptpad. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CryptPad is a collaboration suite. Prior to version 2025.3.0, the "Link Bouncer" functionality attempts to filter javascript URIs to prevent Cross-Site Scripting (XSS), however this can be bypassed. There is an "early allow" code path that happens before the URI's protocol/scheme is checked, which a maliciously crafted URI can follow. This issue has been patched in version 2025.3.0.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-692
Published	2025-06-18
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: xwiki

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-18 23:15 UTCPublished CVE record published
2026-06-17 09:31 UTCUpdated Record last modified

xwiki cryptpad UPGRADE

Affected: < 2025.3.0

Fixed in: 2025.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cryptpad || rpm -q cryptpad || cryptpad --version

2. UPGRADE to 2025.3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cryptpad

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cryptpad

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-49590?

cryptpad: upgrade to 2025.3.0. Exact commands for each OS are on this page.

Is CVE-2025-49590 being exploited?

CVE-2025-49590 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-49590 affect?

CVE-2025-49590 affects cryptpad. Severity is medium (CVSS 6.1). CryptPad is a collaboration suite. Prior to version 2025.3.0, the "Link Bouncer" functionality attempts to filter javascript URIs to prevent Cross-Site Scripting (XSS), however this can be bypassed. There is an "early allow" code path that

How urgent is CVE-2025-49590?

Priority 33/100. Public exploit reference

Related CVEs

CVE-2025-49591 CRITICAL 9.1 UPGRADE CryptPad is a collaboration suite

References

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