CVE-2024-45293

PHPSpreadsheet Library < 2.3.0 - XXE Injection

2024-10-07 00:00

Strategic Overview

Status: Unpatched
Affected Plugin: Advanced Contact form 7 DB
Affected Version: <= 2.0.5
CVSS: 7.5High
Weakness type: CWE-611 · Improper Restriction of XML External Entity Reference
CVE: CVE-2024-45293

View all Advanced Contact form 7 DB vulnerabilities

At a glance

CVE-2024-45293 is a high-severity Improper Restriction of XML External Entity Reference vulnerability in the Advanced Contact form 7 DB WordPress plugin, affecting versions <= 2.0.5. It carries a CVSS score of 7.5 (reachable over the network; low attack complexity; high confidentiality impact). Exploitation requires no authentication. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed October 2024.

Vulnerability Overview

The security scanner that prevents XXE attacks in the XLSX reader can be bypassed by slightly modifying the XML structure, utilizing white spaces. On servers that allow users to upload their own Excel (XLSX) sheets, Server files, and sensitive information can be disclosed by providing a crafted sheet.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on confidentiality.

CWE-611: Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

Remediation

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

How does WordSec protect against this?

The attempt arrives as an ordinary request to Advanced Contact form 7 DB: WordSec's web application firewall inspects request payloads before WordPress loads them. No patched version is recorded yet, which is the case where a filtering layer matters most, because there is nothing to update to.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2024-45293 https://www.wordfence.com/threat-intel/vulnerabilities/id/38f950b7-e3a0-4e05-a8b0-9cc6b6c66b0c https://nvd.nist.gov/vuln/detail/CVE-2024-45293

Related records

Other vulnerabilities in Advanced Contact form 7 DB

CVSS Vector

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone

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