WordPress wordpress core

WordPress Core < 3.5.2 — XXE Injection

CVE-2013-2202Published Jun 21, 2013 · Updated Nov 13, 2026

Affected: ≤3.5.1Update to 3.5.2 or newer

All remediation steps

Watch core

Severity

Medium5.4

CVSS

5.4

CVSS 3.1 · CNA (Wordfence)

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

What does this vector mean?

AV:N Attack vector: Network
AC:L Attack complexity: Low
PR:L Privileges required: Low
UI:N User interaction: None
S:U Scope: Unchanged
C:L Confidentiality: Low
I:L Integrity: Low
A:N Availability: None

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

Required access

Unknown

Exploit prediction (EPSS)

No score

CISA KEV

Not listed

On this page7

Am I affected?

WordPress wordpress

Affected≤ 3.5.1
Patched in3.5.2

You are affected if you run ≤ 3.5.1. Version 3.5.2 and later are not affected by this issue.

Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under WordPress.
No admin access? Run a passive check of your site. It reads public files only.

What to do

Update to version 3.5.2, or a newer patched version
Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
Watch WordPress to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence.

WordPress before 3.5.2 allows remote attackers to read arbitrary files via an oEmbed XML provider response containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

Advisorywordfence.com

Timeline

Jun 21, 2013
CVE published
Severity medium, CVSS 5.4
Nov 13, 2026
Record last updated

Sources & licenses

Wordfence record

Vulnerability data: Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers: Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE: National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.

How we use these sources