How severe is CVE-2021-41844?

CVE-2021-41844 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-2021-41844 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41844?

CVE-2021-41844 affects Crocoblock Jetengine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41844?

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.

When was CVE-2021-41844 published?

CVE-2021-41844 was published on 2021-12-15 and last updated on 2026-06-17.

CVE-2021-41844

CVE-2021-41844 is a critical-severity vulnerability in Crocoblock Jetengine 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Crocoblock Jetengine
Published: 2021-12-15
Last modified: 2026-06-17

Description

Crocoblock JetEngine before 2.9.1 does not properly validate and sanitize form data.

Frequently asked questions

What is CVE-2021-41844?: Crocoblock JetEngine before 2.9.1 does not properly validate and sanitize form data.
How severe is CVE-2021-41844?: CVE-2021-41844 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-2021-41844 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41844?: CVE-2021-41844 affects Crocoblock Jetengine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41844?: 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.
When was CVE-2021-41844 published?: CVE-2021-41844 was published on 2021-12-15 and last updated on 2026-06-17.

References

https://crocoblock.com/changelog/?plugin=jet-engine

Affected products (1)

cpe:2.3:a:crocoblock:jetengine:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Crocoblock Jetengine

CVE-2021-38607 — Medium (CVSS 5.4): Crocoblock JetEngine before 2.6.1 allows XSS by remote authenticated users via a custom form input.

All CVEs affecting Crocoblock Jetengine →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →