CVE-2021-24568
CVE-2021-24568 is a medium-severity vulnerability in Addtoany Addtoany Share Buttons with a CVSS 3.x base score of 5.4. 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 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Addtoany Addtoany Share Buttons
- Published:
- Last modified:
Description
The AddToAny Share Buttons WordPress plugin before 1.7.46 does not sanitise its Sharing Header setting when outputting it in frontend pages, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
Frequently asked questions
- What is CVE-2021-24568?
- The AddToAny Share Buttons WordPress plugin before 1.7.46 does not sanitise its Sharing Header setting when outputting it in frontend pages, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
- How severe is CVE-2021-24568?
- CVE-2021-24568 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24568 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24568?
- CVE-2021-24568 affects Addtoany Addtoany Share Buttons. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24568?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24568 published?
- CVE-2021-24568 was published on 2021-09-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:addtoany:addtoany_share_buttons:*:*:*:*:*:wordpress:*:*
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