HOMEVULNERABILITIESCVE-2013-2640
MEDIUM

CVE-2013-2640

CWE-264Published: March 22, 2013· Updated: Jun 16, 2026

5.0
CVSS v3.1

Official Description

ajax.functions.php in the MailUp plugin before 1.3.2 for WordPress does not properly restrict access to unspecified Ajax functions, which allows remote attackers to modify plugin settings and conduct cross-site scripting (XSS) attacks via unspecified vectors related to "formData=save" requests, a different version than CVE-2013-0731.

NVD Source

Technical Analysis

CVE-2013-2640 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityP
AvailabilityNone
AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected Vendors & Products

mailup1 product(s)
wp-mailup
WordPress1 product(s)
wordpress
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (8)

Quick Facts

CVE IDCVE-2013-2640
CVSS Score5.0 / 10
SeverityMEDIUM
WeaknessCWE-264
CISA KEVNo
Affected2 vendor(s)
PublishedMar 22, 2013

Related CVEs (CWE-264)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2013-2640 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.