CVE-2023-4521 | BDVDB-2026-212420 Detail

Import XML and RSS Feeds

Description#

The Import XML and RSS Feeds WordPress plugin before 2.1.5 contains a web shell, allowing unauthenticated attackers to perform RCE. The plugin/vendor was not compromised and the files are the result of running a PoC for a previously reported issue (https://wpscan.com/vulnerability/d4220025-2272-4d5f-9703-4b2ac4a51c42) and not deleting the created files when releasing the new version.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-94 Improper Control of Generation of Code ('Code Injection')

References#

https://wpscan.com/vulnerability/de2cdb38-3a9f-448e-b564-a798d1e93481

Exploit#

https://wpscan.com/vulnerability/de2cdb38-3a9f-448e-b564-a798d1e93481

History#

Version 12023-09-25Record published in the CVE List.
Version 22025-04-23Most recent update recorded in the CVE List.

Published

Published: 2023-09-25
Last modified: 2025-04-23

Vendor information

Vendor: Not stated
Product: Import XML and RSS Feeds

Score

9.8 Critical

EPSS

40.8%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 98.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Code Injection

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2.1.4 and < 2.1.5
Fixed
2.1.5

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).