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TI-2024-34025 Aliases CVE-2024-50599GHSA-hj33-fc7c-p84c

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Zimbra…

Priority MEDIUM 63CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Zimbra Collaboration Suite (ZCS) 8.8.15, affecting one of the webmail calendar endpoints. This arises from improper handling of user-supplied input, allowing an attacker to inject malicious code that is reflected back in the HTML response.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.6356 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 47

CPEVersionsRoleVendor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:-:*:*:*:*:*:*8.8.15VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p1:*:*:*:*:*:*8.8.15 p1VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p10:*:*:*:*:*:*8.8.15 p10VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p11:*:*:*:*:*:*8.8.15 p11VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p12:*:*:*:*:*:*8.8.15 p12VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p13:*:*:*:*:*:*8.8.15 p13VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p14:*:*:*:*:*:*8.8.15 p14VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p15:*:*:*:*:*:*8.8.15 p15VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p16:*:*:*:*:*:*8.8.15 p16VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p17:*:*:*:*:*:*8.8.15 p17VulnerableSynacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:-:*:*:*:*:*:* Versions 8.8.15 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p1:*:*:*:*:*:* Versions 8.8.15 p1 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p10:*:*:*:*:*:* Versions 8.8.15 p10 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p11:*:*:*:*:*:* Versions 8.8.15 p11 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p12:*:*:*:*:*:* Versions 8.8.15 p12 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p13:*:*:*:*:*:* Versions 8.8.15 p13 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p14:*:*:*:*:*:* Versions 8.8.15 p14 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p15:*:*:*:*:*:* Versions 8.8.15 p15 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p16:*:*:*:*:*:* Versions 8.8.15 p16 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p17:*:*:*:*:*:* Versions 8.8.15 p17 Vulnerable ·Synacor
Show 37 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p18:*:*:*:*:*:*8.8.15 p18VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p19:*:*:*:*:*:*8.8.15 p19VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p2:*:*:*:*:*:*8.8.15 p2VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p20:*:*:*:*:*:*8.8.15 p20VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p21:*:*:*:*:*:*8.8.15 p21VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p22:*:*:*:*:*:*8.8.15 p22VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p23:*:*:*:*:*:*8.8.15 p23VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p24:*:*:*:*:*:*8.8.15 p24VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p25:*:*:*:*:*:*8.8.15 p25VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p26:*:*:*:*:*:*8.8.15 p26VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p27:*:*:*:*:*:*8.8.15 p27VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p28:*:*:*:*:*:*8.8.15 p28VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p29:*:*:*:*:*:*8.8.15 p29VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p3:*:*:*:*:*:*8.8.15 p3VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p30:*:*:*:*:*:*8.8.15 p30VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p31:*:*:*:*:*:*8.8.15 p31VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p31.1:*:*:*:*:*:*8.8.15 p31.1VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p32:*:*:*:*:*:*8.8.15 p32VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p33:*:*:*:*:*:*8.8.15 p33VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p34:*:*:*:*:*:*8.8.15 p34VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p35:*:*:*:*:*:*8.8.15 p35VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p36:*:*:*:*:*:*8.8.15 p36VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p37:*:*:*:*:*:*8.8.15 p37VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p38:*:*:*:*:*:*8.8.15 p38VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p39:*:*:*:*:*:*8.8.15 p39VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p4:*:*:*:*:*:*8.8.15 p4VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p40:*:*:*:*:*:*8.8.15 p40VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p41:*:*:*:*:*:*8.8.15 p41VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p42:*:*:*:*:*:*8.8.15 p42VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p43:*:*:*:*:*:*8.8.15 p43VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p44:*:*:*:*:*:*8.8.15 p44VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p45:*:*:*:*:*:*8.8.15 p45VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p5:*:*:*:*:*:*8.8.15 p5VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p6:*:*:*:*:*:*8.8.15 p6VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p7:*:*:*:*:*:*8.8.15 p7VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p8:*:*:*:*:*:*8.8.15 p8VulnerableSynacor
cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p9:*:*:*:*:*:*8.8.15 p9VulnerableSynacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p18:*:*:*:*:*:* Versions 8.8.15 p18 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p19:*:*:*:*:*:* Versions 8.8.15 p19 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p2:*:*:*:*:*:* Versions 8.8.15 p2 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p20:*:*:*:*:*:* Versions 8.8.15 p20 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p21:*:*:*:*:*:* Versions 8.8.15 p21 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p22:*:*:*:*:*:* Versions 8.8.15 p22 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p23:*:*:*:*:*:* Versions 8.8.15 p23 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p24:*:*:*:*:*:* Versions 8.8.15 p24 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p25:*:*:*:*:*:* Versions 8.8.15 p25 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p26:*:*:*:*:*:* Versions 8.8.15 p26 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p27:*:*:*:*:*:* Versions 8.8.15 p27 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p28:*:*:*:*:*:* Versions 8.8.15 p28 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p29:*:*:*:*:*:* Versions 8.8.15 p29 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p3:*:*:*:*:*:* Versions 8.8.15 p3 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p30:*:*:*:*:*:* Versions 8.8.15 p30 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p31:*:*:*:*:*:* Versions 8.8.15 p31 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p31.1:*:*:*:*:*:* Versions 8.8.15 p31.1 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p32:*:*:*:*:*:* Versions 8.8.15 p32 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p33:*:*:*:*:*:* Versions 8.8.15 p33 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p34:*:*:*:*:*:* Versions 8.8.15 p34 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p35:*:*:*:*:*:* Versions 8.8.15 p35 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p36:*:*:*:*:*:* Versions 8.8.15 p36 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p37:*:*:*:*:*:* Versions 8.8.15 p37 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p38:*:*:*:*:*:* Versions 8.8.15 p38 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p39:*:*:*:*:*:* Versions 8.8.15 p39 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p4:*:*:*:*:*:* Versions 8.8.15 p4 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p40:*:*:*:*:*:* Versions 8.8.15 p40 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p41:*:*:*:*:*:* Versions 8.8.15 p41 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p42:*:*:*:*:*:* Versions 8.8.15 p42 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p43:*:*:*:*:*:* Versions 8.8.15 p43 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p44:*:*:*:*:*:* Versions 8.8.15 p44 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p45:*:*:*:*:*:* Versions 8.8.15 p45 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p5:*:*:*:*:*:* Versions 8.8.15 p5 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p6:*:*:*:*:*:* Versions 8.8.15 p6 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p7:*:*:*:*:*:* Versions 8.8.15 p7 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p8:*:*:*:*:*:* Versions 8.8.15 p8 Vulnerable ·Synacor
  • cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15:p9:*:*:*:*:*:* Versions 8.8.15 p9 Vulnerable ·Synacor

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-50599
  2. 2026-10-03 Alias added: GHSA-hj33-fc7c-p84c

References

Advisory 1

Other 1

  • TI-2024-30554 The postjournal service in Zimbra Collaboration (ZCS) before 8.8.15 Patch 46, 9 before… KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-19841 An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-17239 Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that… KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-10792 Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-06312 Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is… KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-07076 mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an… KEVCVSS 3.1CRITICAL 9.8
See all 96 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences