How severe is CVE-2024-39923?

CVE-2024-39923 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-39923 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39923?

CVE-2024-39923 affects Mahara. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-39923?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-39923 have an EU (EUVD) identifier?

Yes. CVE-2024-39923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54911.

When was CVE-2024-39923 published?

CVE-2024-39923 was published on 2025-08-25 and last updated on 2026-06-17.

CVE-2024-39923

CVE-2024-39923 is a medium-severity vulnerability in Mahara with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-54911
Weakness: CWE-79
Affected product: Mahara
Published: 2025-08-25
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-39923?: 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.
How severe is CVE-2024-39923?: CVE-2024-39923 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-39923 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39923?: CVE-2024-39923 affects Mahara. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39923?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-39923 have an EU (EUVD) identifier?: Yes. CVE-2024-39923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54911.
When was CVE-2024-39923 published?: CVE-2024-39923 was published on 2025-08-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*

More vulnerabilities in Mahara

CVE-2022-45134 — Critical (CVSS 9.8): Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 deserializes user input unsafely during…
CVE-2022-44544 — Critical (CVSS 9.8): Mahara 21.04 before 21.04.7, 21.10 before 21.10.5, 22.04 before 22.04.3, and 22.10 before 22.10.0 potentially allow a…
CVE-2021-40849 — Critical (CVSS 9.8): In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, the account associated with a web services token is vulnerable…
CVE-2017-1000154 — Critical (CVSS 9.8): Mahara 15.04 before 15.04.8 and 15.10 before 15.10.4 and 16.04 before 16.04.2 are vulnerable to some authentication…
CVE-2017-1000153 — Critical (CVSS 9.8): Mahara 15.04 before 15.04.10 and 15.10 before 15.10.6 and 16.04 before 16.04.4 are vulnerable to incorrect access…
CVE-2017-1000152 — Critical (CVSS 9.8): Mahara 15.04 before 15.04.7 and 15.10 before 15.10.3 running PHP 5.3 are vulnerable to one user being logged in as…

All CVEs affecting Mahara →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →