CVE-2018-11563: debian debian_linux
Vulnerability summary
CVE-2018-11563 is a medium (CVSS 4.9) vulnerability in debian debian_linux. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.9% of scored vulnerabilities.
Not severe (CVSS 4.6, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 08-07-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Open Ticket Request System (OTRS) 6.0.x through 6.0.7. A carefully constructed email could be used to inject and execute arbitrary stylesheet or JavaScript code in a logged in customer's browser in the context of the OTRS customer panel application.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated4.6MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS trend
Probability
0.81%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 0.82% on 05-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: network-reachable, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- otrs2< 6.0.8-1
- debian_linuxEOL8.0
Otrs1 product
- otrs≥ 6.0.0, ≤ 6.0.7
Ubuntu1 product
- otrs2All versions (No fix recorded)
3 vendors · 4 products
References
8 links- www.otrs.com/category/release-and-security-notes-en/X Refsource MISCRelease NotesVendor AdvisoryREPORT
- community.otrs.com/security-advisory-2018-02-security-update-for-otrs-framework/X Refsource CONFIRMPatchVendor AdvisoryREPORT
- lists.debian.org/debian-lts-announce/2019/08/msg00018.htmlMailing ListX Refsource MLISTThird Party Advisory