{"id":59669,"date":"2025-07-27T00:27:12","date_gmt":"2025-07-27T00:27:12","guid":{"rendered":""},"modified":"2025-10-21T05:20:50","modified_gmt":"2025-10-21T11:20:50","slug":"cve-2025-53923-cross-site-scripting-xss-vulnerability-in-emlog-website-building-system","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-53923-cross-site-scripting-xss-vulnerability-in-emlog-website-building-system\/","title":{"rendered":"CVE-2025-53923: Cross-Site Scripting (XSS) Vulnerability in Emlog Website Building System<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

Emlog, a widely used open-source website building system, is currently facing a serious security vulnerability identified as CVE-2025-53923. This vulnerability is a type of Cross-Site Scripting (XSS) attack that allows remote attackers to inject arbitrary web scripts or HTML. Critical to both individual users and businesses, it can lead to potential system<\/a> compromise or data leakage. With a CVSS severity score of 8.2, this is a major concern for any entity using Emlog up to and including version pro-2.5.17.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-53923
\nSeverity: High (8.2)
\nAttack Vector: Remote
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

Emlog | Up to and including pro-2.5.17<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability stems from Emlog’s failure<\/a> to properly sanitize the ‘keyword’ parameter in its programming. This lack of input validation allows attackers to inject HTML\/JS code<\/a> into this parameter. When a user is lured into clicking a specially crafted link, the attacker’s code can execute<\/a> in the user’s browser. The attacker can then access sensitive data<\/a>, manipulate web content, or perform other malicious activities.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Assuming a malicious actor wants to exploit this vulnerability<\/a>, a conceptual HTTP request might look like this:<\/p>\n

GET \/search?keyword=<script>malicious_code_here<\/script> HTTP\/1.1\nHost: vulnerable-website.com<\/code><\/pre>\n
In this example, `<script>malicious_code_here<\/script>` is where the attacker would insert their harmful JavaScript. This script runs when a user clicks on the manipulated<\/a> link.<\/p>\n
Impact of the Vulnerability<\/a><\/strong><\/p>\n
The potential impact of this exploit<\/a> is severe. An attacker can execute arbitrary JavaScript<\/a> in the user’s browser, possibly leading to undesired system compromise or data leakage. This could include theft of sensitive information, session hijacking, or even remote code execution<\/a>.<\/p>\n
Recommended Mitigation<\/strong><\/p>\n
Unfortunately, as of the time of publication, there are no known patched versions of Emlog addressing this vulnerability<\/a>. Until a patch is released, users are recommended to implement a Web Application<\/a> Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure. These tools can monitor and block potentially harmful HTTP requests, thus preventing exploitation of this vulnerability.
\nIn addition to these measures, users should be educated on the risks of clicking on unverified links and trained to recognize potential phishing attempts. Regular updates and patches should be applied as soon as they are released by the vendor.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview Emlog, a widely used open-source website building system, is currently facing a serious security vulnerability identified as CVE-2025-53923. This vulnerability is a type of Cross-Site Scripting (XSS) attack that allows remote attackers to inject arbitrary web scripts or HTML. Critical to both individual users and businesses, it can lead to potential system compromise or […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[80,81],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59669","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce","attack_vector-xss"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t