5.3

CVE-2025-15591: opentext content management Cross-site Scripting

CVSS: 5.3v4.0MediumAwaiting analysis
Published 06-10-2026Last modified 07-10-2026
Open JSON

Vulnerability summary

CVE-2025-15591 is a medium (CVSS 5.3) Cross-site Scripting vulnerability in opentext content management. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.2% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.32%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-10-2026
    PublishedVulnerability first disclosed.
  2. 07-10-2026
    Last modifiedVulnerability information updated.

Description

Cross-site Scripting (XSS) in the Forums feature of OpenText Content Management Content Server could allow a bad actor to inject malicious code into a Forums web page.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

07-10-202620-10-2026
EPSS score
0.32%

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

Opentext1 product

1 vendor · 1 product

References

1 links