CVE-2018-5229

CVE-2018-5229 is a medium-severity vulnerability in Atlassian Universal Plugin Manager with a CVSS 3.x base score of 5.4. 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

Description

The NotificationRepresentationFactoryImpl class in Atlassian Universal Plugin Manager before version 2.22.9 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the name of user submitted add-on names.

Frequently asked questions

What is CVE-2018-5229?
The NotificationRepresentationFactoryImpl class in Atlassian Universal Plugin Manager before version 2.22.9 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the name of user submitted add-on names.
How severe is CVE-2018-5229?
CVE-2018-5229 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-5229 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5229?
CVE-2018-5229 affects Atlassian Universal Plugin Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5229?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-5229 published?
CVE-2018-5229 was published on 2018-07-16 and last updated on 2026-06-17.

References

Affected products (1)

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