CVE-2021-41791

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-21 · updated 2026-06-17
Weakness: CWE-79

Description

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).

Affected products

Alfresco Community Share: through 7.0
Alfresco Share: from 5.0.0.0 through 5.2.7.11; from 6.0.1.0 through 6.0.1.2; from 6.0.2.0 through 6.2.2.4; from 6.1.1.0 through 6.1.1.2; 7.0, 7.0.0.1, 7.0.0.2, 7.0.1

References

https://github.com/Alfresco/acs-packaging/blob/master/DISCLOSURES.md
https://www.themissinglink.com.au/
https://github.com/Alfresco/acs-packaging/blob/master/DISCLOSURES.md
https://www.themissinglink.com.au/

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