Vulnerability Details CVE-2021-24544
The Responsive WordPress Slider WordPress plugin through 2.2.0 does not sanitise and escape some of the Slider options, allowing Cross-Site Scripting payloads to be set in them. Furthermore, as by default any authenticated user is allowed to create Sliders (https://wordpress.org/support/topic/slider-can-be-changed-from-any-user-even-subscriber/, such settings can be changed in the plugin's settings), this would allow user with a role as low as subscriber to perform Cross-Site Scripting attacks against logged in admins viewing the slider list and could lead to privilege escalation by creating a rogue admin account for example.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 43.4%
CVSS Severity
CVSS v3 Score 5.4
CVSS v2 Score 3.5
References
Products affected by CVE-2021-24544
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cpe:2.3:a:motopress:motopress-slider-lite:-
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cpe:2.3:a:motopress:motopress-slider-lite:1.2.1
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cpe:2.3:a:motopress:motopress-slider-lite:1.3.1
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cpe:2.3:a:motopress:motopress-slider-lite:1.3.2
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cpe:2.3:a:motopress:motopress-slider-lite:1.3.3
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cpe:2.3:a:motopress:motopress-slider-lite:1.3.4
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cpe:2.3:a:motopress:motopress-slider-lite:2.0.0
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cpe:2.3:a:motopress:motopress-slider-lite:2.0.1
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cpe:2.3:a:motopress:motopress-slider-lite:2.1.0
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cpe:2.3:a:motopress:motopress-slider-lite:2.2.0