LiveActive security incident?Get immediate response
CVE Record

CVE-2021-24479: DrawBlog <= 0.90 - Authenticated Stored Cross-Site Scripting (XSS)

The DrawBlog WordPress plugin through 0.90 does not sanitise or validate some of its settings before outputting them back in the page, leading to an authenticated stored Cross-Site Scripting issue

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-24479 affects the DrawBlog WordPress plugin through version 0.90. Authenticated users may be able to store script content in plugin settings that is later displayed in site pages, creating a stored XSS risk. The supplied sources do not provide a CVSS score or named fixed version.

Executive priority

Treat this as a targeted WordPress plugin hygiene issue, not an emergency based on supplied evidence. Prioritize any internet-facing WordPress site using DrawBlog, especially where multiple users have administrative or plugin-setting access.

Technical view

DrawBlog through 0.90 fails to sanitize or validate some settings before rendering them back into pages. This is CWE-79 stored cross-site scripting and requires authenticated access. The source bundle does not specify the required WordPress role, affected setting names, exploit prevalence, or patch details.

Likely exposure

Exposure is likely limited to WordPress sites running the DrawBlog plugin through version 0.90. Risk depends on who can authenticate and modify the vulnerable settings; the supplied sources do not identify the minimum required role.

Exploitation context

The CVE is not listed as CISA KEV in the supplied bundle, and no cited source states active exploitation. Because this is stored XSS, compromise of a privileged session may be possible if malicious settings are saved and viewed by another user.

Researcher notes

Evidence is sparse. The record identifies authenticated stored XSS in DrawBlog settings output, but does not provide CVSS, role requirements, affected parameters, proof of exploitation, or a fixed release. Avoid assuming exploitability beyond the authenticated stored XSS described.

Mitigation direction

  • Inventory WordPress sites for DrawBlog and confirm the installed plugin version.
  • Disable or remove DrawBlog where it is not required.
  • Check vendor, WordPress plugin, or WPScan guidance for fixed-version availability.
  • Limit access to accounts that can modify DrawBlog settings.
  • Review stored DrawBlog settings for unexpected script-like content.

Validation and detection

  • Confirm no production site runs DrawBlog through version 0.90.
  • Verify DrawBlog is removed, disabled, or updated according to vendor guidance.
  • Review WordPress users with access to DrawBlog settings.
  • Check admin activity for unexpected DrawBlog setting changes.
  • Confirm rendered pages do not expose unsanitized DrawBlog settings.
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-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-2021-24479 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
UnknownDrawBlog0.90Listed
Weakness

CWE details

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.