How severe is CVE-2023-5558?

CVE-2023-5558 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-5558 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5558?

CVE-2023-5558 affects Thimpress Learnpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-5558?

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

Does CVE-2023-5558 have an EU (EUVD) identifier?

Yes. CVE-2023-5558 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57858.

When was CVE-2023-5558 published?

CVE-2023-5558 was published on 2024-01-16 and last updated on 2026-06-17.

CVE-2023-5558

CVE-2023-5558 is a medium-severity vulnerability in Thimpress Learnpress with a CVSS 3.x base score of 6.1. 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 3.x base score 6.1)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-57858
Weakness: CWE-79
Affected product: Thimpress Learnpress
Published: 2024-01-16
Last modified: 2026-06-17

Description

The LearnPress WordPress plugin before 4.2.5.5 does not sanitise and escape user input before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Frequently asked questions

What is CVE-2023-5558?: The LearnPress WordPress plugin before 4.2.5.5 does not sanitise and escape user input before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
How severe is CVE-2023-5558?: CVE-2023-5558 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-5558 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5558?: CVE-2023-5558 affects Thimpress Learnpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-5558?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-5558 have an EU (EUVD) identifier?: Yes. CVE-2023-5558 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57858.
When was CVE-2023-5558 published?: CVE-2023-5558 was published on 2024-01-16 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/4efd2a4d-89bd-472f-ba5a-f9944fd4dd16/

Affected products (1)

cpe:2.3:a:thimpress:learnpress:*:*:*:*:*:wordpress:*:*

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