CVE-2021-24905Public exploitNetwork attack vector

Authenticated file deletion via unchecked path traversal

Published Mar 21, 2022 · Updated Aug 3, 2024

Arbitrary file deletion in Vsourz Digital Advanced Contact form 7 DB before 1.8.7 allows remote authenticated users to delete server files. The acf7_db_edit_scr_file_delete AJAX action accepts a traversal path in val and deletes the resolved file without validating its location. Any authenticated account can delete wp-config.php, enabling WordPress reinstallation and subsequent administrator access and code execution.

CVSS severity8.0
High
EPSS probability0.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file deletion in Vsourz Digital Advanced Contact form 7 DB before 1.8.7 allows remote authenticated users to delete server files. The acf7_db_edit_scr_file_delete AJAX action accepts a traversal path in val and deletes the resolved file without validating its location. Any authenticated account can delete wp-config.php, enabling WordPress reinstallation and subsequent administrator access and code execution.

The record

CVE
CVE-2021-24905
Published
Mar 21, 2022
Updated
Aug 3, 2024
Vendor
Vsourz Digital
Product
Advanced Contact form 7 DB
Classifications
CWE-863, CWE-352, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 21, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.8.7 <1.8.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Vsourz Digital · Advanced Contact form 7 DBversion=1.8.7 <1.8.7

Published CVSS scores

8.0NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
6.0NIST NVDAV:N/AC:M/Au:S/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-863Incorrect Authorization
CWE-352Cross-Site Request Forgery (CSRF)
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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