CVE-2021-33490: open-xchange ox_app_suite Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 22-11-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-33490 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in open-xchange ox_app_suite. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
1.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 22-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
OX App Suite through 7.10.5 allows XSS via a crafted snippet in a shared mail signature.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.30%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.30% on 21-09-2026
21-09-202621-10-2026
EPSS score1.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (packetstormsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Open-xchange1 product
- ox_app_suite≤ 7.10.5
1 vendor · 1 product