CVE-2024-39923: An issue was discovered in Mahara 24.04 before 24.04.2 and 23.04 before 23.04.7

Routine

MEDIUM 6.1UPGRADE

CVE-2024-39923 is a medium-severity flaw (CVSS 6.1) affecting mahara. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Mahara 24.04 before 24.04.2 and 23.04 before 23.04.7. The About, Contact, and Help footer links can be set up to be vulnerable to Cross Site Scripting (XSS) due to not sanitising the values. These links can only be set up by an admin but are clickable by any logged-in person.

Why this priority

No elevated risk signals yet

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	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-08-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mahara

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

Am I affected?

Timeline

2025-08-25 14:15 UTCPublished CVE record published
2026-06-17 07:43 UTCUpdated Record last modified

mahara mahara UPGRADE

Affected: >= 23.04.0 and < 23.04.7 · >= 24.04.0 and <= 24.04.2

Fixed in: 23.04.7

Safe to downgrade to: a release before 23.04.0

1. Check installed version

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

2. UPGRADE to 23.04.7 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mahara

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 23.04.0 (Debian / Ubuntu)

apt-cache madison mahara sudo apt install mahara=<VERSION_BEFORE_23.04.0> sudo apt-mark hold mahara

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

dnf --showduplicates list mahara sudo dnf downgrade mahara-<VERSION_BEFORE_23.04.0> sudo dnf versionlock add mahara

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-2024-39923?

mahara: upgrade to 23.04.7. Exact commands for each OS are on this page.

Is CVE-2024-39923 being exploited?

CVE-2024-39923 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-2024-39923 affect?

CVE-2024-39923 affects mahara. Severity is medium (CVSS 6.1). An issue was discovered in Mahara 24.04 before 24.04.2 and 23.04 before 23.04.7. The About, Contact, and Help footer links can be set up to be vulnerable to Cross Site Scripting (XSS) due to not sanitising the values. These links can only b

How urgent is CVE-2024-39923?

Priority 25/100. No elevated risk signals yet.

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References

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