CVE-2026-54432

mediumpriority · track · 0EPSS 0.002 · 11 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.21% (11th) EPSS
CVSS 4.7 · medium
Is it mine?
11 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

4.7
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.14.7mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU
v3.14.7mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · cve@mitre.org USexploitability 1.6 · impact 2.7
v3.14.3mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79US
03

affected products (11)

Products and version ranges known to be affected.

04

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-2207Roundcube: Mehrere SchwachstellenDeutsch2026-07-05csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Roundcube ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Denial-of-Service-Angriffe zu verursachen, Cross-Site-Scripting-Angriffe durchzuführen sowie Daten zu manipulieren oder offenzulegen.

05

also known as (3)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundNVDCVE.orgMITRE
published 2026-07-14modified 2026-10-24
07

references (3)

External citations — patches, advisories, analysis.

scry

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