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WordfenceCVELIST:CVE-2024-4043

HistoryMay 23, 2024 - 6:46 a.m.

CVE-2024-4043 WP Ultimate Post Grid <= 3.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via wpupg-text Shortcode

2024-05-2306:46:02

Wordfence

www.cve.org

cross-site scripting

wordpress

user-supplied attributes

input sanitization

output escaping

authenticated access

CVSS3

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.9

Confidence

High

EPSS

0.001

Percentile

29.9%

JSON

The WP Ultimate Post Grid plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin’s ‘wpupg-text’ shortcode in all versions up to, and including, 3.9.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CNA Affected

[
  {
    "vendor": "brechtvds",
    "product": "WP Ultimate Post Grid",
    "versions": [
      {
        "version": "*",
        "status": "affected",
        "lessThanOrEqual": "3.9.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

References

plugins.trac.wordpress.org/browser/wp-ultimate-post-grid/trunk/includes/public/shortcodes/general/class-wpupg-sc-text.php#L97

plugins.trac.wordpress.org/changeset/3086319/

wordpress.org/plugins/wp-ultimate-post-grid/#developers

www.wordfence.com/threat-intel/vulnerabilities/id/14e897f0-11e6-43b1-908c-be4ecdc7fd58?source=cve

CVSS3

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.9

Confidence

High

EPSS

0.001

Percentile

29.9%

JSON

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