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cve[email protected]CVE-2021-24471
HistoryAug 16, 2021 - 11:15 a.m.

CVE-2021-24471

2021-08-1611:15:08
CWE-79
web.nvd.nist.gov
21
youtube
wordpress
plugin
vulnerability
xss
shortcode
nvd
cve-2021-24471

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:H/Au:S/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

24.8%

The YouTube Embed WordPress plugin before 5.2.2 does not validate, escape or sanitise some of its shortcode attributes, leading to Stored XSS issues by 1. using w, h, controls, cc_lang, color, language, start, stop, or style parameter of youtube shortcode, 2. by using style, class, rel, target, width, height, or alt parameter of youtube_thumb shortcode, or 3. by embedding a video whose title or description contains XSS payload (if API key is configured).

Affected configurations

Vulners
NVD
Node
youtube_embed_projectyoutube_embedRange<5.2.2
VendorProductVersionCPE
youtube_embed_projectyoutube_embed*cpe:2.3:a:youtube_embed_project:youtube_embed:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "YouTube Embed",
    "vendor": "Unknown",
    "versions": [
      {
        "lessThan": "5.2.2",
        "status": "affected",
        "version": "5.2.2",
        "versionType": "custom"
      }
    ]
  }
]

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:H/Au:S/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

24.8%

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