How severe is CVE-2023-5821?

CVE-2023-5821 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-5821 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5821?

CVE-2023-5821 affects I13websolution Thumbnail Carousel Slider. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5821?

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

When was CVE-2023-5821 published?

CVE-2023-5821 was published on 2023-10-27 and last updated on 2026-06-17.

CVE-2023-5821

CVE-2023-5821 is a medium-severity vulnerability in I13websolution Thumbnail Carousel Slider with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: I13websolution Thumbnail Carousel Slider
Published: 2023-10-27
Last modified: 2026-06-17

Description

The Thumbnail carousel slider plugin for WordPress is vulnerable to Cross-Site Request Forgery in version 1.0. This is due to missing nonce validation on the deleteselected function. This makes it possible for unauthenticated attackers to delete sliders in bulk via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Frequently asked questions

What is CVE-2023-5821?: The Thumbnail carousel slider plugin for WordPress is vulnerable to Cross-Site Request Forgery in version 1.0. This is due to missing nonce validation on the deleteselected function. This makes it possible for unauthenticated attackers to delete sliders in bulk via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
How severe is CVE-2023-5821?: CVE-2023-5821 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-5821 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5821?: CVE-2023-5821 affects I13websolution Thumbnail Carousel Slider. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5821?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5821 published?: CVE-2023-5821 was published on 2023-10-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:i13websolution:thumbnail_carousel_slider:1.0:*:*:*:*:wordpress:*:*