How severe is CVE-2024-12863?

CVE-2024-12863 has a CVSS 4.0 base score of 5.6, rated medium severity.

Is CVE-2024-12863 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-12863?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-12863 have an EU (EUVD) identifier?

Yes. CVE-2024-12863 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12374.

When was CVE-2024-12863 published?

CVE-2024-12863 was published on 2025-04-21 and last updated on 2026-06-17.

CVE-2024-12863

CVE-2024-12863 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 4.0 base score 5.6)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12374
Weakness: CWE-79
Published: 2025-04-21
Last modified: 2026-06-17

Description

Stored XSS in Discussions in OpenText Content Management CE 20.2 to 25.1 on Windows and Linux allows authenticated malicious users to inject code into the system.

Frequently asked questions

What is CVE-2024-12863?: Stored XSS in Discussions in OpenText Content Management CE 20.2 to 25.1 on Windows and Linux allows authenticated malicious users to inject code into the system.
How severe is CVE-2024-12863?: CVE-2024-12863 has a CVSS 4.0 base score of 5.6, rated medium severity.
Is CVE-2024-12863 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-12863?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-12863 have an EU (EUVD) identifier?: Yes. CVE-2024-12863 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12374.
When was CVE-2024-12863 published?: CVE-2024-12863 was published on 2025-04-21 and last updated on 2026-06-17.

References

https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0839121

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