CVE-2021-25006: The MOLIE WordPress plugin through 0.5 does not escape the course_id parameter before outputting it back in th

Q: How do I fix CVE-2021-25006?

molie instructure canvas linking tool: upgrade to newer than 0.5. Exact commands for each OS are on this page.

Q: Is CVE-2021-25006 being exploited?

CVE-2021-25006 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-2021-25006 affect?

CVE-2021-25006 affects molie instructure canvas linking tool. Severity is medium (CVSS 6.1). The MOLIE WordPress plugin through 0.5 does not escape the course_id parameter before outputting it back in the admin dashboard, leading to a Reflected Cross-Site Scripting issue

Q: How urgent is CVE-2021-25006?

Priority 41/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2021-25006 is a medium-severity flaw (CVSS 6.1) affecting molie instructure canvas linking tool. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The MOLIE WordPress plugin through 0.5 does not escape the course_id parameter before outputting it back in the admin dashboard, leading to a Reflected Cross-Site Scripting issue

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	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-03-14
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: molie instructure canvas linking tool project

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

Am I affected?

Timeline

2022-03-14 15:15 UTCPublished CVE record published
2026-06-17 03:41 UTCUpdated Record last modified

molie instructure canvas linking tool project molie instructure canvas linking tool UPGRADE

Affected: <= 0.5

Fixed in: newer than 0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy molie-instructure-canvas-linking-tool || rpm -q molie-instructure-canvas-linking-tool || molie-instructure-canvas-linking-tool --version

2. UPGRADE to newer than 0.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade molie-instructure-canvas-linking-tool

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade molie-instructure-canvas-linking-tool

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-2021-25006?

molie instructure canvas linking tool: upgrade to newer than 0.5. Exact commands for each OS are on this page.

Is CVE-2021-25006 being exploited?

CVE-2021-25006 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-2021-25006 affect?

CVE-2021-25006 affects molie instructure canvas linking tool. Severity is medium (CVSS 6.1). The MOLIE WordPress plugin through 0.5 does not escape the course_id parameter before outputting it back in the admin dashboard, leading to a Reflected Cross-Site Scripting issue

How urgent is CVE-2021-25006?

Priority 41/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2021-25007 CRITICAL 9.8 UPGRADE The MOLIE WordPress plugin through 0.5 does not validate and escape a post parameter before using in a SQL sta

References

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