XSS in Alfresco Community Share
CVE-2021-41791
An issue was discovered in Hyland org.alfresco:share through 7.0.0.2 and org.alfresco:community-share through 7.0. An evasion of the XSS filter for HTML input validation in the Alfresco Share User Interface leads to stored XSS that could be exploited by an attacker (given that he has privileges on the content collaboration features).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (43.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Alfresco Community Share
- Alfresco Share — versions 7.0, 7.0.0.1, 7.0.0.2
Weakness classification (CWE)
References
- www.themissinglink.com.au/ (Third Party Advisory)
- github.com/Alfresco/acs-packaging/blob/master/DISCLOSURES.md (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-41791?
- CVE-2021-41791 is a medium-severity vulnerability in Alfresco Community Share, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-21.
- How severe is CVE-2021-41791?
- Medium severity. CVSS v3 base score is 5.4 out of 10.