CVE-2017-16906: horde groupware Cross-site Scripting
CVSS: 5.4v3.0MediumModified
AliasesUBUNTU-CVE-2017-16906DEBIAN-CVE-2017-16906DLA-1537-1DLA-2351-1
Published 20-11-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-16906 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in horde groupware. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.9% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
5.4/10
010
Medium · v3.0 (NVD)EPSS score
1.09%
0%100%
Low · -0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference
Timeline
- 20-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Horde Groupware 5.2.19-5.2.22, there is XSS via the URL field in a "Calendar -> New Event" action.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated5.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.09%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
-0.11 pp
From 1.20% on 21-09-2026
21-09-202621-10-2026
EPSS score1.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundMiscellaneous
Maturity: poc
Exploit Reference (code610.blogspot.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- php-horde-kronolith< 4.2.24-1 | < 4.2.2-4+deb8u1 | < 4.2.19-1+deb9u2
Horde1 product
- groupware≥ 5.2.19, ≤ 5.2.22
Ubuntu1 product
- php-horde-kronolithAll versions (No fix recorded)
3 vendors · 3 products
References
7 links- code610.blogspot.com/2017/11/rce-via-xss-horde-5219.htmlX Refsource MISCExploitIssue TrackingThird Party AdvisoryREPORT
- github.com/horde/kronolith/commit/09d90141292f9ec516a7a2007bf828ce2bbdf60dX Refsource CONFIRMPatchThird Party AdvisoryREPORT
- github.com/starnightcyber/Miscellaneous/blob/master/Horde/README.mdX Refsource MISCExploitThird Party Advisory