THREATPORT/VULNERABILITY/CVE-2023-4521
CRITICAL SEVERITY

CVE-2023-4521

Import Xml And Rss Feeds vulnerability

CVSS
9.8
EPSS
39.3%
EPSS pct
98th
Exploited
No known
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.
Affected vendor
Mooveagency
Affected product
Import Xml And Rss Feeds
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-09-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 39.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2023-4521

  • Confirm whether Mooveagency Import Xml And Rss Feeds is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2023-4521.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-4521

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-4521 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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