How severe is CVE-2019-11450?

CVE-2019-11450 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-2019-11450 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11450?

CVE-2019-11450 affects Whatsns. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11450?

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-2019-11450 published?

CVE-2019-11450 was published on 2019-04-22 and last updated on 2026-06-17.

CVE-2019-11450

CVE-2019-11450 is a critical-severity vulnerability in Whatsns 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: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Whatsns
Published: 2019-04-22
Last modified: 2026-06-17

Description

whatsns 4.0 allows index.php?question/ajaxadd.html title SQL injection.

Frequently asked questions

What is CVE-2019-11450?: whatsns 4.0 allows index.php?question/ajaxadd.html title SQL injection.
How severe is CVE-2019-11450?: CVE-2019-11450 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-2019-11450 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11450?: CVE-2019-11450 affects Whatsns. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11450?: 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-2019-11450 published?: CVE-2019-11450 was published on 2019-04-22 and last updated on 2026-06-17.

References

https://github.com/kikulo/DebugOpen/blob/master/whatsns4.0/Main.md

Affected products (1)

cpe:2.3:a:whatsns:whatsns:4.0:*:*:*:*:*:*:*

More vulnerabilities in Whatsns

CVE-2020-18013 — Critical (CVSS 9.8): SQL Injextion vulnerability exists in Whatsns 4.0 via the ip parameter in index.php?admin_banned/add.htm.
CVE-2019-11452 — High (CVSS 7.2): whatsns 4.0 allows index.php?admin_category/remove.html cid[] SQL injection.
CVE-2019-11451 — High (CVSS 7.2): whatsns 4.0 allows index.php?inform/add.html qid SQL injection.

All CVEs affecting Whatsns →

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