CVE-2021-24752 [Medium] | Security Vulnerability in Catch Scroll Progress Bar

Multiple Plugins from the CatchThemes vendor do not perform capability and CSRF checks in the ctp_switch AJAX action, which could allow any authenticated users, such as Subscriber to change the Essential Widgets WordPress plugin before 1.9, To Top WordPress plugin before 2.3, Header Enhancement WordPress plugin before 1.5, Generate Child Theme WordPress plugin before 1.6, Essential Content Types WordPress plugin before 1.9, Catch Web Tools WordPress plugin before 2.7, Catch Under Construction WordPress plugin before 1.4, Catch Themes Demo Import WordPress plugin before 1.6, Catch Sticky Menu WordPress plugin before 1.7, Catch Scroll Progress Bar WordPress plugin before 1.6, Social Gallery and Widget WordPress plugin before 2.3, Catch Infinite Scroll WordPress plugin before 1.9, Catch Import Export WordPress plugin before 1.9, Catch Gallery WordPress plugin before 1.7, Catch Duplicate Switcher WordPress plugin before 1.6, Catch Breadcrumb WordPress plugin before 1.7, Catch IDs WordPress plugin before 2.4's configurations.

EDB-ID	Source	Kind	Published	Link
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Published

Link

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#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-03-11	0.10%	0.17%	+0.07%
2	2025-03-30	2.35%	0.10%	-2.25%
3	2025-03-29	—	2.35%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-03-11

0.10%

0.17%

+0.07%

2025-03-30

2.35%

0.10%

-2.25%

2025-03-29

—

2.35%

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Base score	Version	Severity	Vector	Exploitability	Impact	Score source
5.7	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:L) A normal user session is enough; they don’t have to be admin. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:H) They could widely tamper with or forge data—trust in the data is badly hurt. Availability (A:N) Service keeps running; no real outage angle.	2.1	3.6	[email protected]
3.5	2.0	LOW	`AV:N/AC:M/Au:S/C:N/I:P/A:N` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:S) A single authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:N) No availability impact.	6.8	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

5.7

3.1

MEDIUM

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

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L): A normal user session is enough; they don’t have to be admin.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:H): They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N): Service keeps running; no real outage angle.

2.1

3.6

[email protected]

3.5

2.0

LOW

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

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:M): Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S): A single authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:P): Partial integrity impact.
Availability impact (A:N): No availability impact.

6.8

2.9

[email protected]

Affected software / configurations for CVE-2021-24752

Vendor	Product	Version	Raw CPE
catchplugins	catch_scroll_progress_bar	< 1.6	cpe:2.3:a:catchplugins:catch_scroll_progress_bar::::::wordpress::*
catchplugins	catch_sticky_menu	< 1.7	cpe:2.3:a:catchplugins:catch_sticky_menu::::::wordpress::*
catchplugins	catch_themes_demo_import	< 1.6	cpe:2.3:a:catchplugins:catch_themes_demo_import::::::wordpress::*
catchplugins	catch_under_construction	< 1.4	cpe:2.3:a:catchplugins:catch_under_construction::::::wordpress::*
catchplugins	catch_web_tools	< 2.7	cpe:2.3:a:catchplugins:catch_web_tools::::::wordpress::*
catchplugins	essential_content_types	< 1.9	cpe:2.3:a:catchplugins:essential_content_types::::::wordpress::*
catchplugins	essential_widgets	< 1.9	cpe:2.3:a:catchplugins:essential_widgets::::::wordpress::*
catchplugins	generate_child_theme	< 1.6	cpe:2.3:a:catchplugins:generate_child_theme::::::wordpress::*
catchplugins	header_enhancement	< 1.5	cpe:2.3:a:catchplugins:header_enhancement::::::wordpress::*
catchplugins	to_top	< 2.3	cpe:2.3:a:catchplugins:to_top::::::wordpress::*

References for CVE-2021-24752

URL	Tags
https://wpscan.com/vulnerability/181a729e-fffe-457c-9e8d-a4343fd2e630	Exploit Third Party Advisory

URL

CVE-2021-24752 | Multiple Plugins from CatchThemes - Unauthorised Plugin's Setting Change

Public exploit references (Exploit-DB) for CVE-2021-24752

Exploit prediction scoring system (EPSS) score for CVE-2021-24752

Common vulnerability scoring system (CVSS) metrics for CVE-2021-24752

Weakness enumeration for CVE-2021-24752

Affected software / configurations for CVE-2021-24752

References for CVE-2021-24752