HOMEVULNERABILITIESCVE-2024-13521
MEDIUM

CVE-2024-13521

CWE-352Published: January 28, 2025· Updated: Jun 17, 2026

5.4
CVSS v3.1

Official Description

The MailUp Auto Subscription plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1.0. This is due to missing or incorrect nonce validation on the mas_options function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

NVD Source

Technical Analysis

CVE-2024-13521 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected Vendors & Products

ilghera1 product(s)
mailup auto subscription
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3060078%40mailup-auto-subscribtion%2Ftags%2F1.1.0&new=3229728%40mailup-auto-subscribtion%2Ftags%2F1.2.0
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/9ee9b2e9-e3fe-43b2-9caf-7246a4201fe9?source=cve

All References (2)

→
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3060078%40mailup-auto-subscribtion%2Ftags%2F1.1.0&new=3229728%40mailup-auto-subscribtion%2Ftags%2F1.2.0Patch
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/9ee9b2e9-e3fe-43b2-9caf-7246a4201fe9?source=cveThird Party Advisory

Quick Facts

CVE IDCVE-2024-13521
CVSS Score5.4 / 10
SeverityMEDIUM
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedJan 28, 2025

Related CVEs (CWE-352)

CVE-2017-5145
10.0
CVE-2025-23922
10.0
CVE-2025-32642
10.0
CVE-2023-4659
9.8
CVE-2025-31033
9.8
CVE-2023-52200
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2024-13521 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. CVE data is provided under the NVD usage policy.
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