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WPScanCVE-2021-24988

HistoryDec 27, 2021 - 11:15 a.m.

CVE-2021-24988

2021-12-2711:15:09

CWE-352

CWE-862

CWE-79

WPScan

web.nvd.nist.gov

cve-2021-24988

wp rss aggregator

wordpress plugin

stored xss

system info

admin dashboard

nvd

security vulnerability

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

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

EPSS

0.001

Percentile

21.2%

JSON

The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.

Affected configurations

Nvd

Vulners

Node

wprssaggregatorwp_rss_aggregatorRange<4.19.3wordpress

VendorProductVersionCPE
wprssaggregatorwp_rss_aggregator*cpe:2.3:a:wprssaggregator:wp_rss_aggregator:*:*:*:*:*:wordpress:*:*

Vendor	Product	Version	CPE
wprssaggregator	wp_rss_aggregator	*	cpe:2.3:a:wprssaggregator:wp_rss_aggregator::::::wordpress::*

CNA Affected

[
  {
    "product": "WP RSS Aggregator – News Feeds, Autoblogging, Youtube Video Feeds and More",
    "vendor": "Unknown",
    "versions": [
      {
        "lessThan": "4.19.3",
        "status": "affected",
        "version": "4.19.3",
        "versionType": "custom"
      }
    ]
  }
]

References

wpscan.com/vulnerability/0742483b-6314-451b-a63a-536fd1e14845

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

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

EPSS

0.001

Percentile

21.2%

JSON

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