CVE-2024-51573: WordPress ML Responsive Audio plugin <= 0.2 - Stored Cross Site Scripting (XSS) vulnerability
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ersatzpole ML Responsive Audio player with playlist Shortcode mlr-audio allows Stored XSS.This issue affects ML Responsive Audio player with playlist Shortcode: from n/a through <= 0.2.
Security readout for executives and security teams
Plain-English summary
CVE-2024-51573 is a stored cross-site scripting issue in the WordPress ML Responsive Audio player with playlist Shortcode plugin through version 0.2. A lower-privileged authenticated user may be able to store unsafe content that later runs in another user's browser.
Executive priority
Handle this as a moderate WordPress hygiene issue, not an emergency based on current evidence. Prioritize sites with many authors, contributors, or contractors because stored XSS can affect administrators or visitors who view compromised content.
Technical view
The issue is CWE-79 improper neutralization during page generation in ersatzpole's mlr-audio plugin. CVSS 3.1 is 6.5: network reachable, low complexity, low privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites that have the ML Responsive Audio player with playlist Shortcode plugin installed at version 0.2 or earlier. The source bundle does not identify affected WordPress core versions, themes, or other plugins.
Exploitation context
The CVE is not listed in CISA KEV, and the provided sources do not state active exploitation. The CVSS vector indicates an attacker needs some authenticated privilege and a victim interaction, which lowers urgency but still matters on multi-user WordPress sites.
Researcher notes
The public record names stored XSS but does not provide detailed affected parameters, proof of exploitation, or a fixed version in the supplied bundle. Avoid assuming a patch exists unless vendor guidance confirms it. Validation should focus on installed plugin versions and safe output-encoding checks.
Mitigation direction
Inventory WordPress sites for the mlr-audio plugin and record installed versions.
Update if vendor or repository guidance provides a fixed release.
Disable or remove the plugin where it is not required.
Restrict content-editing privileges to trusted users until resolved.
Monitor vendor and Patchstack guidance for confirmed remediation details.
Validation and detection
Confirm whether ML Responsive Audio player with playlist Shortcode is installed.
Verify installed versions are not 0.2 or earlier.
Identify public pages or posts using the audio playlist shortcode.
Review user roles allowed to create or edit shortcode content.
Use safe staging validation to confirm output is properly encoded.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-79 · source CWE mapping
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.