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medium·Product Based Web Vulnerabilities·Updated Jan 17, 2024

CVE-2017-18565 Scanner

CVE-2017-18565 scanner - Cross-Site Scripting (XSS) vulnerability in Updater plugin for WordPress

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsdomain, ipv4, subdomain
CostFree
3.1k
Times Used
continuous scan runs
4.1k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2017-18565
6.1
CVSS

The updater plugin before 1.35 for WordPress has multiple XSS issues.

Attack Vector
-
Privileges Req.
-
User Interaction
-
Affected
n/aby n/a
n/a
Updated Aug 22, 2026View on NVD →
Detail

The WordPress Updater plugin has been utilized to provide automatic updates for various WordPress plugins and themes. This plugin is commonly used by website administrators who wish to make sure their website is up to date. In essence, the Updater plugin is a convenience tool that simplifies the update process. 

However, despite its convenience, the Updater plugin prior to version 1.35 was susceptible to the CVE-2017-18565 vulnerability. This vulnerability , discovered in 2017, represents a Cross-Site Scripting (XSS) issue that can cause malicious JavaScript code to be injected and executed entirely in the context of the victim's web browser. The code is typically hidden, making it challenging to identify for a regular user, and can result in a script leaking sensitive user data, changing website content, or performing other malicious activities.

Exploiting the CVE-2017-18565 vulnerability in the WordPress Updater plugin can lead to significant data breaches. In particular, hackers can use it to launch attacks on the site users themselves by injecting a malicious script into the Updater's code. If the vulnerable plugin operates in high privilege mode on systems that are not up-to-date, attackers could potentially seize full control of the system. This issue can be exacerbated further for multi-tenant environments or web hosting environments.

All in all, administrators must take all the necessary steps to safeguard their websites against evolving cybersecurity threats. One such platform that can help is s4e.io. This platform offers numerous security solutions, including tools that allow you to quickly identify vulnerabilities in your digital assets. By utilizing security features and solutions, website administrators will be prepared to stay a step ahead of malicious actors and better protect their online properties.

 

REFERENCES

Solution Advice

To safeguard against this vulnerability within the WordPress Updater plugin, a few protective measures can be taken. 

  • Update the WordPress Updater plugin to the latest version, which patches the CVE-2017-18565 vulnerability. 
  • Regularly scan your site's code for any signs of XSS breaches or other web vulnerabilities. 
  • Use a reliable website security solution to bolster your site's security measures and prevent potential web-based attacks. 

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CVE-2017-18565 scanner - Cross-Site Scripting (XSS) vulnerability in Updater plugin for WordPress | S4E