How severe is CVE-2021-24905?

CVE-2021-24905 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24905?

CVE-2021-24905 affects Vsourz Advanced Cf7 Db. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24905?

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-2021-24905 published?

CVE-2021-24905 was published on 2022-03-21 and last updated on 2026-06-17.

CVE-2021-24905

CVE-2021-24905 is a high-severity vulnerability in Vsourz Advanced Cf7 Db with a CVSS 3.x base score of 8.0. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 6.0
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Vsourz Advanced Cf7 Db
Published: 2022-03-21
Last modified: 2026-06-17

Description

The Advanced Contact form 7 DB WordPress plugin before 1.8.7 does not have authorisation nor CSRF checks in the acf7_db_edit_scr_file_delete AJAX action, and does not validate the file to be deleted, allowing any authenticated user to delete arbitrary files on the web server. For example, removing the wp-config.php allows attackers to trigger WordPress setup again, gain administrator privileges and execute arbitrary code or display arbitrary content to the users.

Frequently asked questions

What is CVE-2021-24905?: The Advanced Contact form 7 DB WordPress plugin before 1.8.7 does not have authorisation nor CSRF checks in the acf7_db_edit_scr_file_delete AJAX action, and does not validate the file to be deleted, allowing any authenticated user to delete arbitrary files on the web server. For example, removing the wp-config.php allows attackers to trigger WordPress setup again, gain administrator privileges and execute arbitrary code or display arbitrary content to the users.
How severe is CVE-2021-24905?: CVE-2021-24905 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24905?: CVE-2021-24905 affects Vsourz Advanced Cf7 Db. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24905?: 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-2021-24905 published?: CVE-2021-24905 was published on 2022-03-21 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/cf022415-6614-4b95-913b-802186766ae6

Affected products (1)

cpe:2.3:a:vsourz:advanced_cf7_db:*:*:*:*:*:wordpress:*:*

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