CVE-2025-30203
MEDIUMDescription
Tuleap is an Open Source Suite to improve management of software developments and collaboration. Tuleap allows cross-site scripting (XSS) via the content of RSS feeds in the RSS widgets. A project administrator or someone with control over an used RSS feed could use this vulnerability to force victims to execute uncontrolled code. This vulnerability is fixed in Tuleap Community Edition 16.5.99.1742562878 and Tuleap Enterprise Edition 16.5-5 and 16.4-8.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:L
Exploit Intelligence
Low risk: more likely to be exploited than 21% of all known CVEs.
References
Related Vulnerabilities
Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2018-12998 | Medium | 6.1 | 99% | - | - |
| CVE-2020-11022 | Medium | 6.9 | 99% | - | Fix |
| CVE-2019-3929 | Critical | 9.8 | 99% | KEV | Fix |
| CVE-2020-9496 | Medium | 6.1 | 99% | - | - |
| CVE-2023-28341 | Medium | 6.1 | 99% | - | Fix |
| CVE-2025-4123 | High | 7.6 | 98% | - | Fix |
Common questions
How do I fix CVE-2025-30203?
Upgrade tuleap to 16.5-5 or later.
Is CVE-2025-30203 being actively exploited?
Not that we know of. CVE-2025-30203 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.28% is the estimated probability that it will be exploited in the next 30 days. That is higher than 21% of all scored CVEs.
How severe is CVE-2025-30203?
CVE-2025-30203 has a CVSS v3 base score of 4.8, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2025-30203 affect?
Published advisories record a fix for tuleap (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2025-30203
Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-21.