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CVE-2019-11454

MEDIUM
6.1
CVSS Score
Published: April 22, 2019 at 03:05 PM UTC
Updated: June 17, 2026 at 02:12 AM UTC
4 products affected across 4 vendorsDebian LinuxFedoraUbuntu Linux

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Severity
MEDIUM6.1
Exploit prediction
EPSS 2%

Description

Persistent cross-site scripting (XSS) in http/cervlet.c in Tildeslash Monit before 5.25.3 allows a remote unauthenticated attacker to introduce arbitrary JavaScript via manipulation of an unsanitized user field of the Authorization header for HTTP Basic Authentication, which is mishandled during an _viewlog operation.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
18.1019.04
Debian Linux· Debiandrupal
95%
8.09.0
Fedora· Fedora Projectrpm
95%
3132
Monit· Mmonit
95%
v < 5.25.3
Affected range stops below 5.25.3, so it looks safe — our inference, not a vendor statement

References (8)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://bitbucket.org/tildeslash/monit/commits/1a8295eab6815072a18019b668fe084945b751f3
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://bitbucket.org/tildeslash/monit/commits/328f60773057641c4b2075fab9820145e95b728c
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/dzflack/exploits/blob/master/unix/monit_xss.py
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2019/04/msg00028.html
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/12/msg00018.html
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HZQDHRSKTEX5MSYXNCGFTUSFGANBARHX/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L475QJMFFI2QV5QEHAKKPVX6QX6ECUL6/
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3971-1/

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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