THREAT OPS › Threat News › ZDI-26-358: Allegra downloadAttachment Cross-Site Scripting Authentication Bypass Vulnerability
ZDI-26-358: Allegra downloadAttachment Cross-Site Scripting Authentication Bypass Vulnerability
This vulnerability allows remote attackers to execute arbitrary script on affected installations of Allegra. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 4.6. The following CVEs are assigned: CVE-2026-11443.
MITRE ATT&CK techniques
- Malicious FileT1204.002
Indicators of compromise
- CVE-2026-11443cve
Original source: http://www.zerodayinitiative.com/advisories/ZDI-26-358/