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CVE-2026-33368

Zimbra Collaboration Suite (ZCS) 10.0 and 10.1 contains a reflected cross-site scripting (XSS) vulnerability in the Classic Webmail REST interface (/h/rest). The application fails to properly sanitize user-supplied input, allowing an unauthenticated attacker to inject malicious JavaScript into a crafted URL. When a victim user accesses the link, the injected script executes in the context of the Zimbra webmail application, which could allow the attacker to perform actions on behalf of the victim
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bf412438be8967809986ac8d0587d46137cffda051ffcf0b241fa4f5d435c51d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://wiki.zimbra.com/wiki/Security_Center"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/cna/references/1
{"url":"https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.16#Security_Fixes"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/cna/references/3
{"url":"https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/cna/references/2
{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9dbdef31b65593fad1268fb448b6ea42b75a5ae66bc2aba6e4554a1000706e58 · sha256:5fc6b765d8a42aca… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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