How severe is CVE-2022-33012?

CVE-2022-33012 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-33012 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33012?

CVE-2022-33012 affects Microweber. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-33012?

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

When was CVE-2022-33012 published?

CVE-2022-33012 was published on 2022-11-22 and last updated on 2026-06-17.

CVE-2022-33012

CVE-2022-33012 is a high-severity vulnerability in Microweber with a CVSS 3.x base score of 8.8. 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-74.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Microweber
Published: 2022-11-22
Last modified: 2026-06-17

Description

Microweber v1.2.15 was discovered to allow attackers to perform an account takeover via a host header injection attack.

Frequently asked questions

What is CVE-2022-33012?: Microweber v1.2.15 was discovered to allow attackers to perform an account takeover via a host header injection attack.
How severe is CVE-2022-33012?: CVE-2022-33012 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-33012 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33012?: CVE-2022-33012 affects Microweber. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-33012?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-33012 published?: CVE-2022-33012 was published on 2022-11-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microweber:microweber:1.2.15:*:*:*:*:*:*:*

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CVE-2023-1877 — Critical (CVSS 9.8): Command Injection in GitHub repository microweber/microweber prior to 1.3.3.
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CVE-2023-2240 — High (CVSS 8.8): Improper Privilege Management in GitHub repository microweber/microweber prior to 1.3.4.
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