How severe is CVE-2021-24425?

CVE-2021-24425 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24425 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24425?

CVE-2021-24425 affects Premio Mystickymenu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24425?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-24425 published?

CVE-2021-24425 was published on 2021-08-02 and last updated on 2026-06-17.

CVE-2021-24425

CVE-2021-24425 is a medium-severity vulnerability in Premio Mystickymenu with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Premio Mystickymenu
Published: 2021-08-02
Last modified: 2026-06-17

Description

The Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu WordPress plugin before 2.5.2 does not sanitise or escape its Bar Text settings, allowing hight privilege users to use malicious JavaScript in it, leading to a Stored Cross-Site Scripting issue, which will be triggered in the plugin's setting, as well as all front-page of the blog (when the Welcome bar is active)

Frequently asked questions

What is CVE-2021-24425?: The Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu WordPress plugin before 2.5.2 does not sanitise or escape its Bar Text settings, allowing hight privilege users to use malicious JavaScript in it, leading to a Stored Cross-Site Scripting issue, which will be triggered in the plugin's setting, as well as all front-page of the blog (when the Welcome bar is active)
How severe is CVE-2021-24425?: CVE-2021-24425 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24425 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24425?: CVE-2021-24425 affects Premio Mystickymenu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24425?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24425 published?: CVE-2021-24425 was published on 2021-08-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:premio:mystickymenu:*:*:*:*:*:wordpress:*:*

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