How severe is CVE-2021-24666?

CVE-2021-24666 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-2021-24666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24666?

CVE-2021-24666 affects Podlove Podlove Podcast Publisher. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24666?

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-2021-24666 published?

CVE-2021-24666 was published on 2021-09-27 and last updated on 2026-06-17.

CVE-2021-24666

CVE-2021-24666 is a critical-severity vulnerability in Podlove Podlove Podcast Publisher with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 6.8
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Podlove Podlove Podcast Publisher
Published: 2021-09-27
Last modified: 2026-06-17

Description

The Podlove Podcast Publisher WordPress plugin before 3.5.6 contains a 'Social & Donations' module (not activated by default), which adds the rest route '/services/contributor/(?P<id>[\d]+), takes an 'id' and 'category' parameters as arguments. Both parameters can be used for the SQLi.

Frequently asked questions

What is CVE-2021-24666?: The Podlove Podcast Publisher WordPress plugin before 3.5.6 contains a 'Social & Donations' module (not activated by default), which adds the rest route '/services/contributor/(?P<id>[\d]+), takes an 'id' and 'category' parameters as arguments. Both parameters can be used for the SQLi.
How severe is CVE-2021-24666?: CVE-2021-24666 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-2021-24666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24666?: CVE-2021-24666 affects Podlove Podlove Podcast Publisher. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24666?: 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-2021-24666 published?: CVE-2021-24666 was published on 2021-09-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:podlove:podlove_podcast_publisher:*:*:*:*:*:wordpress:*:*

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