How severe is CVE-2021-24839?

CVE-2021-24839 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-24839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24839?

CVE-2021-24839 affects Supportcandy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24839?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-24839 published?

CVE-2021-24839 was published on 2022-02-07 and last updated on 2026-06-17.

CVE-2021-24839

CVE-2021-24839 is a high-severity vulnerability in Supportcandy with a CVSS 3.x base score of 7.5. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Supportcandy
Published: 2022-02-07
Last modified: 2026-06-17

Description

The SupportCandy WordPress plugin before 2.2.5 does not have authorisation and CSRF checks in its wpsc_tickets AJAX action, which could allow unauthenticated users to call it and delete arbitrary tickets via the set_delete_permanently_bulk_ticket setting_action. Other actions may be affected as well.

Frequently asked questions

What is CVE-2021-24839?: The SupportCandy WordPress plugin before 2.2.5 does not have authorisation and CSRF checks in its wpsc_tickets AJAX action, which could allow unauthenticated users to call it and delete arbitrary tickets via the set_delete_permanently_bulk_ticket setting_action. Other actions may be affected as well.
How severe is CVE-2021-24839?: CVE-2021-24839 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-24839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24839?: CVE-2021-24839 affects Supportcandy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24839?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24839 published?: CVE-2021-24839 was published on 2022-02-07 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/5e6e63c2-2675-4b8d-9b94-c16c525a1a0e

Affected products (1)

cpe:2.3:a:supportcandy:supportcandy:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Supportcandy

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CVE-2019-11223 — Critical (CVSS 9.8): An Unrestricted File Upload Vulnerability in the SupportCandy plugin through 2.0.0 for WordPress allows remote…
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CVE-2021-24879 — High (CVSS 8.8): The SupportCandy WordPress plugin before 2.2.7 does not have CSRF check in the wpsc_tickets AJAX action, nor has any…
CVE-2023-2805 — High (CVSS 7.2): The SupportCandy WordPress plugin before 3.1.7 does not properly sanitise and escape the agents[] parameter in the…
CVE-2021-24843 — Medium (CVSS 6.5): The SupportCandy WordPress plugin before 2.2.7 does not have CRSF check in its wpsc_tickets AJAX action, which could…

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