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CVE-2023-27890

** UNSUPPORTED WHEN ASSIGNED ** The Export User plugin through 2.0 for MyBB allows XSS during the...

5.4 Medium

The Export User plugin through 2.0 for MyBB allows XSS during the process of an admin generating DSGVO data for a user, via the Custom User Title, Location, or Bio field. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.64%Up 0.6 points since Apr 15, 2023
90%50%10%1%

What each source reports

NVD Score used 5.4

The Export User plugin through 2.0 for MyBB allows XSS during the process of an admin generating DSGVO data for a user, via the Custom User Title, Location, or Bio field. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Record
CVE-2023-27890
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

The Export User plugin through 2.0 for MyBB allows XSS during the process of an admin generating DSGVO data for a user, via the Custom User Title, Location, or Bio field. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Record
CVE-2023-27890
Updated
2026-11-02
EUVDEUVD-2023-31625 No score

The Export User plugin through 2.0 for MyBB allows XSS during the process of an admin generating DSGVO data for a user, via the Custom User Title, Location, or Bio field. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Record
EUVD-2023-31625
Updated
2026-11-03
GitHub AdvisoriesGHSA-7mqr-6r89-272v 5.4

** UNSUPPORTED WHEN ASSIGNED ** The Export User plugin through 2.0 for MyBB allows XSS during the...

** UNSUPPORTED WHEN ASSIGNED ** The Export User plugin through 2.0 for MyBB allows XSS during the process of an admin generating DSGVO data for a user, via the Custom User Title, Location, or Bio field. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Record
GHSA-7mqr-6r89-272v
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-27890 is a medium vulnerability (CVSS 5.4) in Export User Project User, published April 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. No source names a fixed version.

References

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