How severe is CVE-2018-17397?

CVE-2018-17397 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-17397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-17397?

CVE-2018-17397 affects Multiplanet Alphaindex Dictionaries. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-17397?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-17397 published?

CVE-2018-17397 was published on 2018-09-28 and last updated on 2026-06-17.

CVE-2018-17397

CVE-2018-17397 is a critical-severity vulnerability in Multiplanet Alphaindex Dictionaries with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Multiplanet Alphaindex Dictionaries
Published: 2018-09-28
Last modified: 2026-06-17

Description

SQL Injection exists in the AlphaIndex Dictionaries 1.0 component for Joomla! via the letter parameter.

Frequently asked questions

What is CVE-2018-17397?: SQL Injection exists in the AlphaIndex Dictionaries 1.0 component for Joomla! via the letter parameter.
How severe is CVE-2018-17397?: CVE-2018-17397 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-17397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-17397?: CVE-2018-17397 affects Multiplanet Alphaindex Dictionaries. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-17397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-17397 published?: CVE-2018-17397 was published on 2018-09-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:multiplanet:alphaindex_dictionaries:1.0:*:*:*:*:joomla\!:*:*

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