How severe is CVE-2018-0513?

CVE-2018-0513 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-2018-0513 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0513?

CVE-2018-0513 primarily affects Mtssb.mt-systems Simple Booking. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0513?

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

When was CVE-2018-0513 published?

CVE-2018-0513 was published on 2018-02-08 and last updated on 2026-06-17.

CVE-2018-0513

CVE-2018-0513 is a medium-severity vulnerability in Mtssb.mt-systems Simple Booking 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)
CVSS v2: 4.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mtssb.mt-systems Simple Booking
Published: 2018-02-08
Last modified: 2026-06-17

Description

Cross-site scripting vulnerability in MTS Simple Booking C, MTS Simple Booking Business version 1.28.0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2018-0513?: Cross-site scripting vulnerability in MTS Simple Booking C, MTS Simple Booking Business version 1.28.0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2018-0513?: CVE-2018-0513 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-2018-0513 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0513?: CVE-2018-0513 primarily affects Mtssb.mt-systems Simple Booking. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0513?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0513 published?: CVE-2018-0513 was published on 2018-02-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:mtssb.mt-systems:simple_booking:*:*:*:*:c:wordpress:*:*
cpe:2.3:a:mtssb.mt-systems:simple_booking:*:*:*:*:business:wordpress:*:*

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