How severe is CVE-2021-24653?

CVE-2021-24653 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-2021-24653 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24653?

CVE-2021-24653 affects Cookie-bar Project Cookie-bar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24653?

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

When was CVE-2021-24653 published?

CVE-2021-24653 was published on 2021-10-25 and last updated on 2026-06-17.

CVE-2021-24653

CVE-2021-24653 is a medium-severity vulnerability in Cookie-bar Project Cookie-bar 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% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cookie-bar Project Cookie-bar
Published: 2021-10-25
Last modified: 2026-06-17

Description

The Cookie Bar WordPress plugin before 1.8.9 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Frequently asked questions

What is CVE-2021-24653?: The Cookie Bar WordPress plugin before 1.8.9 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
How severe is CVE-2021-24653?: CVE-2021-24653 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-2021-24653 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24653?: CVE-2021-24653 affects Cookie-bar Project Cookie-bar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24653?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24653 published?: CVE-2021-24653 was published on 2021-10-25 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/bfa8f46f-d323-4a2d-b875-39cd9b4cee0a

Affected products (1)

cpe:2.3:a:cookie-bar_project:cookie-bar:*:*:*:*:*:wordpress:*:*

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