How severe is CVE-2021-24915?

CVE-2021-24915 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24915 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24915?

CVE-2021-24915 affects Contest Gallery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24915?

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

When was CVE-2021-24915 published?

CVE-2021-24915 was published on 2021-11-29 and last updated on 2026-06-17.

CVE-2021-24915

CVE-2021-24915 is a critical-severity vulnerability in Contest Gallery with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Contest Gallery
Published: 2021-11-29
Last modified: 2026-06-17

Description

The Contest Gallery WordPress plugin before 13.1.0.6 does not have capability checks and does not sanitise or escape the cg-search-user-name-original parameter before using it in a SQL statement when exporting users from a gallery, which could allow unauthenticated to perform SQL injections attacks, as well as get the list of all users registered on the blog, including their username and email address

Frequently asked questions

What is CVE-2021-24915?: The Contest Gallery WordPress plugin before 13.1.0.6 does not have capability checks and does not sanitise or escape the cg-search-user-name-original parameter before using it in a SQL statement when exporting users from a gallery, which could allow unauthenticated to perform SQL injections attacks, as well as get the list of all users registered on the blog, including their username and email address
How severe is CVE-2021-24915?: CVE-2021-24915 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24915 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24915?: CVE-2021-24915 affects Contest Gallery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24915?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-24915 published?: CVE-2021-24915 was published on 2021-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:contest_gallery:contest_gallery:*:*:*:*:*:wordpress:*:*

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