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CVE Record

CVE-2021-24466: Verse-O-Matic <= 4.1.1 - CSRF to Stored XSS

The Verse-O-Matic WordPress plugin through 4.1.1 does not have any CSRF checks in place, allowing attackers to make logged in administrators do unwanted actions, such as add/edit/delete arbitrary verses and change the settings. Due to the lack of sanitisation in the settings and verses, this could also lead to Stored Cross-Site Scripting issues

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-24466 affects the Verse-O-Matic WordPress plugin through 4.1.1. A logged-in administrator could be tricked into making unwanted plugin changes. Because plugin input is not sanitized, those changes could store malicious script content that runs for later visitors or administrators.

Executive priority

Prioritize remediation for any internet-facing WordPress site using this plugin, especially business sites with multiple administrators. If the plugin is absent, this CVE does not create direct exposure.

Technical view

The issue combines missing CSRF protection with stored XSS risk in Verse-O-Matic. Sources say attackers can cause authenticated administrators to add, edit, or delete verses and change settings. Unsanitized settings and verse content can persist cross-site scripting. No CVSS score, confirmed patch version, or active exploitation evidence is provided in the bundle.

Likely exposure

Exposure is limited to WordPress sites running Verse-O-Matic through version 4.1.1. Risk is higher where administrators browse while authenticated or can be socially engineered into visiting attacker-controlled content.

Exploitation context

The source bundle does not show KEV listing or active exploitation. Practical exploitation depends on tricking a logged-in WordPress administrator and abusing missing CSRF checks to persist unsafe content.

Researcher notes

Evidence is sparse: the bundle provides vulnerability description, affected plugin range, CWE-352 and CWE-79, and WPScan reference. It does not provide CVSS metrics, exploit maturity, or a named fixed version. Avoid assuming broader WordPress impact beyond Verse-O-Matic.

Mitigation direction

  • Inventory WordPress sites for Verse-O-Matic and record installed versions.
  • Check vendor or WPScan guidance for a fixed release or official remediation.
  • Disable or remove Verse-O-Matic where no supported fixed version is available.
  • Review plugin settings and verses for unexpected script-like or unauthorized content.
  • Limit administrator sessions and avoid browsing untrusted links while logged in.

Validation and detection

  • Confirm whether Verse-O-Matic is installed on each WordPress site.
  • Verify the installed plugin version is later than 4.1.1, if a fixed version exists.
  • Inspect plugin-managed verses and settings for unauthorized changes.
  • Review WordPress administrator activity around suspicious plugin content changes.
  • Confirm CSRF protections are present before treating a local patch as effective.
Prepared
Confidence
medium
Sources
3

Public sources used

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-352: 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.

Open ATT&CK lookup
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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-24466 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
UnknownVerse-O-Matic4.1.1Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.