How severe is CVE-2021-24953?

CVE-2021-24953 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-24953 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24953?

CVE-2021-24953 affects Tinywebgallery Advanced Iframe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24953?

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

When was CVE-2021-24953 published?

CVE-2021-24953 was published on 2022-03-07 and last updated on 2026-06-17.

CVE-2021-24953

CVE-2021-24953 is a medium-severity vulnerability in Tinywebgallery Advanced Iframe with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tinywebgallery Advanced Iframe
Published: 2022-03-07
Last modified: 2026-06-17

Description

The Advanced iFrame WordPress plugin before 2022 does not sanitise and escape the ai_config_id parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue

Frequently asked questions

What is CVE-2021-24953?: The Advanced iFrame WordPress plugin before 2022 does not sanitise and escape the ai_config_id parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue
How severe is CVE-2021-24953?: CVE-2021-24953 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24953 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24953?: CVE-2021-24953 affects Tinywebgallery Advanced Iframe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24953?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24953 published?: CVE-2021-24953 was published on 2022-03-07 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/0529261d-65e1-4c64-b8ed-ecb7356d9067

Affected products (1)

cpe:2.3:a:tinywebgallery:advanced_iframe:*:*:*:*:*:wordpress:*:*

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