How severe is CVE-2021-47788?

CVE-2021-47788 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-47788 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47788?

CVE-2021-47788 affects Websitebaker. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47788?

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.

Does CVE-2021-47788 have an EU (EUVD) identifier?

Yes. CVE-2021-47788 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3005.

When was CVE-2021-47788 published?

CVE-2021-47788 was published on 2026-01-16 and last updated on 2026-06-17.

CVE-2021-47788

CVE-2021-47788 is a high-severity vulnerability in Websitebaker 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3005
Weakness: CWE-434
Affected product: Websitebaker
Published: 2026-01-16
Last modified: 2026-06-17

Description

WebsiteBaker 2.13.0 contains an authenticated remote code execution vulnerability that allows users with language editing permissions to execute arbitrary code. Attackers can exploit the language installation endpoint by manipulating language installation parameters to achieve remote code execution on the server.

Frequently asked questions

What is CVE-2021-47788?: WebsiteBaker 2.13.0 contains an authenticated remote code execution vulnerability that allows users with language editing permissions to execute arbitrary code. Attackers can exploit the language installation endpoint by manipulating language installation parameters to achieve remote code execution on the server.
How severe is CVE-2021-47788?: CVE-2021-47788 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-47788 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47788?: CVE-2021-47788 affects Websitebaker. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47788?: 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.
Does CVE-2021-47788 have an EU (EUVD) identifier?: Yes. CVE-2021-47788 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3005.
When was CVE-2021-47788 published?: CVE-2021-47788 was published on 2026-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:websitebaker:websitebaker:2.13.0:*:*:*:*:*:*:*

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