XSS in Addtoany Share Buttons
CVE-2021-24616
The AddToAny Share Buttons WordPress plugin before 1.7.48 does not escape its Image URL button setting, which could lead allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Addtoany Addtoany_share_buttons
- Unknown Addtoany Share Buttons — versions 1.7.48
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
- contact@wpscan.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24616?
- CVE-2021-24616 is a medium-severity vulnerability in Addtoany Share Buttons, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-11-08.
- How severe is CVE-2021-24616?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-24616 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.