How severe is CVE-2021-24319?

CVE-2021-24319 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-2021-24319 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24319?

CVE-2021-24319 affects Bold-themes Bello. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24319?

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

When was CVE-2021-24319 published?

CVE-2021-24319 was published on 2021-06-01 and last updated on 2026-06-17.

CVE-2021-24319

CVE-2021-24319 is a medium-severity vulnerability in Bold-themes Bello 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: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bold-themes Bello
Published: 2021-06-01
Last modified: 2026-06-17

Description

The Bello - Directory & Listing WordPress theme before 1.6.0 did not properly sanitise its post_excerpt parameter before outputting it back in the shop/my-account/bello-listing-endpoint/ page, leading to a Cross-Site Scripting issue

Frequently asked questions

What is CVE-2021-24319?: The Bello - Directory & Listing WordPress theme before 1.6.0 did not properly sanitise its post_excerpt parameter before outputting it back in the shop/my-account/bello-listing-endpoint/ page, leading to a Cross-Site Scripting issue
How severe is CVE-2021-24319?: CVE-2021-24319 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-2021-24319 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24319?: CVE-2021-24319 affects Bold-themes Bello. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24319?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24319 published?: CVE-2021-24319 was published on 2021-06-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bold-themes:bello:*:*:*:*:*:wordpress:*:*

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