CVE-2012-1495

install/index.php in WebCalendar before 1.2.5 allows remote attackers to execute arbitrary code via the form_single_user_login parameter

published January 27, 2020

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.6th percentile for exploit probability.

CVSS
—
EPSS
80%
Percentile
99.6
In the wild
Unconfirmed
What it is

⚠️ A sneaky parameter in WebCalendar could let attackers run wild! If you're using versions before 1.2.5, this vulnerability is just waiting to be exploited. 🔥 Think of it like a restaurant that accepts any order without verifying it — a suspicious diner could ask for something outrageous from the kitchen, and the chef would have no clue! That's the risk here: unvalidated input could lead to cooking up some serious trouble. An attacker could exploit this vulnerability to execute arbitrary code on your server, which means they could take control, access sensitive data, or even wipe everything clean. It's like giving someone the keys to the kitchen — they can whip up whatever chaos they desire!

Put simply

Think of it like a restaurant that accepts any order without verifying it — a suspicious diner could ask for something outrageous from the kitchen, and the chef would have no clue! That's the risk here: unvalidated input could lead to cooking up some serious trouble. This vulnerability allows remote attackers to inject and execute arbitrary code by manipulating the form_single_user_login parameter in install/index.php of WebCalendar versions prior to 1.2.5.

What to do

An attacker could exploit this vulnerability to execute arbitrary code on your server, which means they could take control, access sensitive data, or even wipe everything clean. It's like giving someone the keys to the kitchen — they can whip up whatever chaos they desire! To secure your system, upgrade WebCalendar to version 1.2.5 or later immediately. Additionally, review your input validation practices to ensure no more sneaky parameters slip through! You’ve got this! Follow these steps and you’ll have your WebCalendar locked down in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.79764 · 99.6th percentile
Published
2020-01-27T14:39Z
EPSS history
Timeline
  • 27 JAN 14:39Z
    install/index.php in WebCalendar before 1.2.5 allows remote attackers to execute arbitrary code via the form_single_user_login parameter
    cvelistv5