CVE detail
CVE-2026-74998
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS (Cascading Style Sheets) proxy were not validated, which may result in information disclosure or XSS (cross-site scripting) via MIME sniffing.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 17.9 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 5
- within the 30d window
- Peak daily
- 5
- highest bucket
Evidence
Source links by recency
5 source links · newest first
No excerpt available.
Vendor Advisoryroundcube.netAug 17, 2026, 1:16 PMNo excerpt available.
Exploitgithub.comAug 17, 2026, 1:16 PMNo excerpt available.
Exploitgithub.comAug 17, 2026, 1:16 PM- https://github.com/roundcube/roundcubemail/commit/a2334990c02f7cb77b1a8d6fa97fcd9e1b5cd1fbgithub.com
No excerpt available.
Exploitgithub.comAug 17, 2026, 1:16 PM - https://github.com/roundcube/roundcubemail/commit/62d33c8a0dc3fd0dd03984220dc9709e8e0de43bgithub.com
No excerpt available.
Exploitgithub.comAug 17, 2026, 1:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-75091CVSS 7.2 · High
The Quill Forms | Conversational Multi Step Forms, Surveys & quizzes plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.7.1…
- CVE-2026-75078CVSS 2.1 · Low
A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /BSHRM1.php. Performing a manipulation of the…
- CVE-2026-75077CVSS 2.1 · Low
A vulnerability was identified in SourceCodester Class and Exam Timetabling System 1.0. Affected by this issue is some unknown functionality of the file /BSCE2.php. Such manipulat…
- CVE-2026-75531CVSS 7.0 · High
Pandora contains a stored cross-site scripting (XSS) vulnerability in the rendering of URL observables. A URL extracted from or associated with an analyzed file was inserted direc…
- CVE-2026-75529CVSS 6.9 · Medium
Pandora is affected by a stored cross-site scripting vulnerability in the PDF download functionality. The /task-download/<task_id>/.../pdf endpoint verifies that the submitted fil…
- CVE-2026-63670CVSS 6.1 · Medium
ApostropheCMS is an open-source Node.js content management system. Prior to 2.17.6, sanitizeHtml() can pass disallowed executable markup through packages/sanitize-html/index.js wh…