CVE-2026-4918: ibm guardium data protection Cross-site Scripting
CVSS: 5.5v3.1MediumAnalyzed
Published 22-04-2026Last modified 30-04-2026
Vulnerability summary
CVE-2026-4918 is a medium (CVSS 5.5) Cross-site Scripting vulnerability in ibm guardium data protection. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.4% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.24%
0%100%
Low · +0.10 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-04-2026PublishedVulnerability first disclosed.
- 30-04-2026Last modifiedVulnerability information updated.
Description
IBM Guardium Data Protection 12.1 is vulnerable to stored cross-site scripting. This vulnerability allows an administrative user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:NSources2 sources · 4.8–5.5
- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
+0.10 pp
From 0.14% on 21-09-2026
21-09-202621-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm1 product
- guardium data protection≥ 12.1.0, ≤ 2.3.0 | 12.1
1 vendor · 1 product