How severe is CVE-2022-45134?

CVE-2022-45134 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-45134 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45134?

CVE-2022-45134 affects Mahara. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45134?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2022-45134 have an EU (EUVD) identifier?

Yes. CVE-2022-45134 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-48051.

When was CVE-2022-45134 published?

CVE-2022-45134 was published on 2025-08-22 and last updated on 2026-06-17.

CVE-2022-45134

CVE-2022-45134 is a critical-severity vulnerability in Mahara with a CVSS 3.x base score of 9.8. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2022-48051
Weakness: CWE-502
Affected product: Mahara
Published: 2025-08-22
Last modified: 2026-06-17

Description

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 skin import. A particularly structured XML file could cause code execution when being processed.

Frequently asked questions

What is CVE-2022-45134?: 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 skin import. A particularly structured XML file could cause code execution when being processed.
How severe is CVE-2022-45134?: CVE-2022-45134 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-45134 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45134?: CVE-2022-45134 affects Mahara. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45134?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2022-45134 have an EU (EUVD) identifier?: Yes. CVE-2022-45134 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-48051.
When was CVE-2022-45134 published?: CVE-2022-45134 was published on 2025-08-22 and last updated on 2026-06-17.

References

Affected products (1)

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

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