5.0
MEDIUM CVSS 2.0
CVE-2026-15202
YzmCMS Header yzmphp.php get_url cross site scripting
Description

A security vulnerability has been detected in YzmCMS up to 7.5. Affected is the function get_url of the file /yzmphp/yzmphp.php of the component Header Handler. The manipulation of the argument HTTP_HOST leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

INFO

Published Date :

July 9, 2026, 6:16 p.m.

Last Modified :

July 9, 2026, 7:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-15202 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Sanitize user input for the HTTP_HOST argument to prevent XSS attacks.
  • Update YzmCMS to a version that addresses this vulnerability.
  • Implement input validation for the get_url function.
  • Sanitize the HTTP_HOST argument before use.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-15202.

URL Resource
https://gist.github.com/188452/72d03d030ee3cbfee2642badfa9dce33
https://vuldb.com/cve/CVE-2026-15202
https://vuldb.com/submit/851931
https://vuldb.com/vuln/377124
https://vuldb.com/vuln/377124/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-15202 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-15202 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-15202 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 09, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-15202', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-09T18:27:48.159796Z'}
  • New CVE Received by [email protected]

    Jul. 09, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:yzmcms:yzmcms:*:*:*:*:*:*:*:*'], 'vendor': 'n/a', 'modules': ['Header Handler'], 'product': 'YzmCMS', 'versions': [{'status': 'affected', 'version': '7.0'}, {'status': 'affected', 'version': '7.1'}, {'status': 'affected', 'version': '7.2'}, {'status': 'affected', 'version': '7.3'}, {'status': 'affected', 'version': '7.4'}, {'status': 'affected', 'version': '7.5'}]}]
    Added Description A security vulnerability has been detected in YzmCMS up to 7.5. Affected is the function get_url of the file /yzmphp/yzmphp.php of the component Header Handler. The manipulation of the argument HTTP_HOST leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CWE CWE-79
    Added CWE CWE-94
    Added Reference https://gist.github.com/188452/72d03d030ee3cbfee2642badfa9dce33
    Added Reference https://vuldb.com/cve/CVE-2026-15202
    Added Reference https://vuldb.com/submit/851931
    Added Reference https://vuldb.com/vuln/377124
    Added Reference https://vuldb.com/vuln/377124/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.