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cvelistWordfenceCVELIST:CVE-2022-2434
HistorySep 06, 2022 - 5:18 p.m.

CVE-2022-2434

2022-09-0617:18:57
Wordfence
www.cve.org
3
wordpress
string locator
plugin vulnerability
unauthenticated users
deserialization
untrusted input
phar wrapper
site administrator
arbitrary php objects
malicious actions
file upload
serialized payload
cve-2022-2434

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.002

Percentile

57.0%

The String Locator plugin for WordPress is vulnerable to deserialization of untrusted input via the ‘string-locator-path’ parameter in versions up to, and including 2.5.0. This makes it possible for unauthenticated users to call files using a PHAR wrapper, granted they can trick a site administrator into performing an action such as clicking on a link, that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.

CNA Affected

[
  {
    "vendor": "instawp",
    "product": "String locator",
    "versions": [
      {
        "version": "*",
        "status": "affected",
        "lessThanOrEqual": "2.5.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.002

Percentile

57.0%

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