How severe is CVE-2021-24564?

CVE-2021-24564 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24564?

CVE-2021-24564 affects Wpfront Scroll Top. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24564?

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

When was CVE-2021-24564 published?

CVE-2021-24564 was published on 2021-08-23 and last updated on 2026-06-17.

CVE-2021-24564

CVE-2021-24564 is a medium-severity vulnerability in Wpfront Scroll Top with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wpfront Scroll Top
Published: 2021-08-23
Last modified: 2026-06-17

Description

The WPFront Scroll Top WordPress plugin before 2.0.6.07225 does not sanitise or escape its Image ALT setting before outputting it attributes, leading to an Authenticated Stored Cross-Site Scripting issues even when the unfiltered_html capability is disallowed.

Frequently asked questions

What is CVE-2021-24564?: The WPFront Scroll Top WordPress plugin before 2.0.6.07225 does not sanitise or escape its Image ALT setting before outputting it attributes, leading to an Authenticated Stored Cross-Site Scripting issues even when the unfiltered_html capability is disallowed.
How severe is CVE-2021-24564?: CVE-2021-24564 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24564?: CVE-2021-24564 affects Wpfront Scroll Top. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24564?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24564 published?: CVE-2021-24564 was published on 2021-08-23 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/b25af0e1-392f-4305-ad44-50e64ef3dbdf

Affected products (1)

cpe:2.3:a:wpfront:scroll_top:*:*:*:*:*:wordpress:*:*

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →