Is CVE-2012-1835 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2012-1835, but active exploitation has not been confirmed.

Can CVE-2012-1835 be exploited remotely?

Yes. CVE-2012-1835 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2012-1835?

CVE-2012-1835 has a CVSS score of 4.3 (MEDIUM).

HOME VULNERABILITIESCVE-2012-1835

MEDIUMPOC

CVE-2012-1835

CWE-79Published: August 14, 2012· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in the All-in-One Event Calendar plugin 1.4 and 1.5 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) title parameter to app/view/agenda-widget-form.php; (2) args, (3) title, (4) before_title, or (5) after_title parameter to app/view/agenda-widget.php; (6) button_value parameter to app/view/box_publish_button.php; or (7) msg parameter to /app/view/save_successful.php.

NVD Source

Technical Analysis

CVE-2012-1835 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.

A proof-of-concept (PoC) exploit exists for CVE-2012-1835. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.