6.1

CVE-2016-5303: horde groupware Cross-site Scripting

CVSS: 6.1v3.0MediumModified
AliasesUBUNTU-CVE-2016-5303DEBIAN-CVE-2016-5303
Published 20-12-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-5303 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in horde groupware. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.0 (NVD)
EPSS score
1.51%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-12-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Cross-site scripting (XSS) vulnerability in the Horde Text Filter API in Horde Groupware and Horde Groupware Webmail Edition before 5.2.16 allows remote attackers to inject arbitrary web script or HTML via crafted data:text/html content in a form (1) action or (2) xlink attribute.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.51%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.51% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • php-horde-text-filter< 2.3.5-1
Horde1 product
Ubuntu1 product
  • php-horde-text-filterAll versions (No fix recorded)

3 vendors · 3 products

References

8 links