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WordfenceCVELIST:CVE-2021-34658

HistoryAug 13, 2021 - 12:00 a.m.

CVE-2021-34658 Simple Popup Newsletter <= 1.4.7 Reflected Cross-Site Scripting

2021-08-1300:00:00

CWE-79

Wordfence

www.cve.org

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

32.0%

JSON

The Simple Popup Newsletter WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER[‘PHP_SELF’] in the ~/simple-popup-newsletter.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.4.7.

CNA Affected

[
  {
    "product": "Simple Popup Newsletter",
    "vendor": "Simple Popup Newsletter",
    "versions": [
      {
        "lessThanOrEqual": "1.4.7",
        "status": "affected",
        "version": "1.4.7",
        "versionType": "custom"
      }
    ]
  }
]

References

plugins.trac.wordpress.org/browser/simple-popup-newsletter/trunk/simple-popup-newsletter.php#L319

www.wordfence.com/vulnerability-advisories/#CVE-2021-34658

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

32.0%

JSON

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