CVE-2020-13653 json
An XSS vulnerability exists in the Webmail component of Zimbra Collaboration Suite before 8.8.15 Patch 11.
published 2020-07-02 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5895
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
An XSS vulnerability exists in the Webmail component of Zimbra Collaboration Suite before 8.8.15 Patch 11. It allows an attacker to inject executable JavaScript into the account name of a user's profile. The injected code can be reflected and executed when changing an e-mail signature.
Patch / fix
- synacor zimbra_collaboration_suite 8.8.15
Exploit prediction
1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
wiki.zimbra.com
/wiki/Zimbra_Security_Advisories
vendor-advisory
-
wiki.zimbra.com
/wiki/Security_Center
release-notes, vendor-advisory
-
wiki.zimbra.com
/wiki/Zimbra_Releases/8.8.15/P11
release-notes, vendor-advisory
-
wiki.zimbra.com
/wiki/Zimbra_Releases/9.0.0/P4
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-13653
- NVD CVE-2020-13653
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