CVE-2025-46825: Kanboard is project management software that focuses on the Kanban methodology

Routine

MEDIUM 5.4UPGRADE

CVE-2025-46825 is a medium-severity flaw (CVSS 5.4) affecting kanboard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Kanboard is project management software that focuses on the Kanban methodology. Versions 1.2.26 through 1.2.44 have a Stored Cross-Site Scripting (XSS) Vulnerability in the `name` parameter of the `http://localhost/?controller=ProjectCreationController&action=create` form. This vulnerability allows attackers to inject malicious scripts into web pages viewed by other users. Note that the default content security policy (CSP) blocks the JavaScript

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-05-12
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2025-05-12 23:15 UTCPublished CVE record published
2026-06-17 09:26 UTCUpdated Record last modified

kanboard kanboard UPGRADE

Affected: >= 1.2.26 and < 1.2.45

Fixed in: 1.2.45

Safe to downgrade to: a release before 1.2.26

1. Check installed version

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

2. UPGRADE to 1.2.45 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kanboard

Note

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

3. If no update is available yet, DOWNGRADE to a release before 1.2.26 (Debian / Ubuntu)

apt-cache madison kanboard sudo apt install kanboard=<VERSION_BEFORE_1.2.26> sudo apt-mark hold kanboard

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list kanboard sudo dnf downgrade kanboard-<VERSION_BEFORE_1.2.26> sudo dnf versionlock add kanboard

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-46825?

kanboard: upgrade to 1.2.45. Exact commands for each OS are on this page.

Is CVE-2025-46825 being exploited?

CVE-2025-46825 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-2025-46825 affect?

CVE-2025-46825 affects kanboard. Severity is medium (CVSS 5.4). Kanboard is project management software that focuses on the Kanban methodology. Versions 1.2.26 through 1.2.44 have a Stored Cross-Site Scripting (XSS) Vulnerability in the `name` parameter of the `http://localhost/?controller=ProjectCreati

How urgent is CVE-2025-46825?

Priority 31/100. Public exploit reference

Related CVEs

CVE-2026-33058 MEDIUM 6.5 UPGRADE Kanboard is project management software focused on Kanban methodology
CVE-2026-29056 HIGH 8.8 UPGRADE Kanboard is project management software focused on Kanban methodology
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CVE-2026-25531 MEDIUM 4.3 UPGRADE Kanboard is project management software focused on Kanban methodology
CVE-2026-25530 MEDIUM 4.3 UPGRADE Kanboard is project management software focused on Kanban methodology

References

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