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cvelistWordfenceCVELIST:CVE-2021-4390
HistoryJul 01, 2023 - 4:26 a.m.

CVE-2021-4390

2023-07-0104:26:48
Wordfence
www.cve.org
4
contact form 7 style
wordpress
cross-site request forgery
csrf
nonce validation
manage_wp_posts_be_qe_save_post
unauthenticated attackers
site administrator

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

4.6

Confidence

High

EPSS

0.002

Percentile

55.9%

The Contact Form 7 Style plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2. This is due to missing or incorrect nonce validation on the manage_wp_posts_be_qe_save_post() function. This makes it possible for unauthenticated attackers to quick edit templates via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CNA Affected

[
  {
    "vendor": "ionuticlanzan",
    "product": "Contact Form 7 Style",
    "versions": [
      {
        "version": "*",
        "status": "affected",
        "lessThanOrEqual": "3.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

4.6

Confidence

High

EPSS

0.002

Percentile

55.9%

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