CVE-2020-8776 json
Alfresco Enterprise before 5.2.7 and Alfresco Community before 6.2.0 (rb65251d6-b368) has XSS via the URL property of a file.
published 2020-03-02 6 y ago modified 2026-06-17 4 mo ago also BIT-alfresco-2020-8776 , EUVD-2020-29624
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 85%
- public exploits
- 1
- Exploit-DB
Summary
Alfresco Enterprise before 5.2.7 and Alfresco Community before 6.2.0 (rb65251d6-b368) has XSS via the URL property of a file.
Patch / fix
- bitnami alfresco 5.2.7, 6.2.0
- alfresco alfresco 5.2.7, 6.2.0
Timeline
- Published
- First public exploit (EDB-48162)
Exploit prediction
2.68% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-48162 Alfresco 5.2.4 - Persistent Cross-Site Scripting webapps, 2020-03-03
- gitlab.com https://gitlab.com/snippets/1937042 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| OSV | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | alfresco | <5.2.7 <6.2.0 |
5.2.7 6.2.0 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
gitlab.com
/snippets/1937042
exploit, third-party-advisory, web
-
issues.alfresco.com
/jira/browse/ALF-22110
permissions-required, vendor-advisory, web
-
packetstormsecurity.com
/files/156599/Alfresco-5.2.4-Cross-Site-Scripting.html
third-party-advisory, vdb-entry, web
Sources
- CVE List CVE-2020-8776
- NVD CVE-2020-8776
- OSV BIT-alfresco-2020-8776
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