CVE-2026-54432
published 2026-07-14CVE-2026-54432: Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not…
PriorityP422medium4.7CVSS 3.1
AVNACHPRNUIRSCCLILAN
EPSS
0.22%
13.0th percentile
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| roundcube | webmail | >= 1.6.0 < 1.6.17 | 1.6.17 |
| roundcube | webmail | >= 1.7.0 < 1.7.2 | 1.7.2 |
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VulDB
Roundcube up to 1.6.16/1.7.1 Attachment-Validation Warning Type cross site scripting (Nessus ID 328879 / WID-SEC-2026-2207)
vuldb·2026-07-23·CVSS 4.7
CVE-2026-54432 [MEDIUM] Roundcube up to 1.6.16/1.7.1 Attachment-Validation Warning Type cross site scripting (Nessus ID 328879 / WID-SEC-2026-2207)
A vulnerability was found in Roundcube up to 1.6.16/1.7.1. It has been rated as problematic. The impacted element is an unknown function of the component Attachment-Validation Warning. This manipulation of the argument Type causes cross site scripting.
This vulnerability is registered as CVE-2026-54432. Remote exploitation of the attack is possible. No exploit is available.
Upgrading the affected component is advised.
GHSA
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS).
ghsa_unreviewed·2026-07-14
CVE-2026-54432 [MEDIUM] CWE-79 Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS).
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type [fedora-all]
bugzilla·2026-07-14·CVSS 4.7
CVE-2026-54432 [MEDIUM] CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type [fedora-all]
CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
Bugzilla
CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type [epel-all]
bugzilla·2026-07-14·CVSS 4.7
CVE-2026-54432 [MEDIUM] CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type [epel-all]
CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
Bugzilla
CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type
bugzilla·2026-07-14·CVSS 4.7
CVE-2026-54432 [MEDIUM] CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type
CVE-2026-54432 roundcubemail: Roundcube Webmail: Stored Cross-Site Scripting via unescaped attachment MIME type
Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2 allows Stored Cross-Site Scripting (XSS). The issue occurs because the attachment MIME type is not properly escaped on the attachment-validation warning page.
Hackernews
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## ⚡ Weekly Recap: ShareFile Threat, Citrix Bleed 2 Ransomware, AI Coding Attacks, and More
Somewhere right now, a security tool is quietly finding bugs faster than any human can fix them. That's supposed to be the good news. The catch is that the attackers have the same tools, pointed the other way, and they don't file tickets.
That's the shape of this week. Trusted code turns on the people who installed it. Old bugs from last year are still landing because the fix sat in a queue too long. Fake installers, poisoned packages, systems left facing the open internet, and helpful little AI assistants running instructions that were
2026-07-14
Published