How severe is CVE-2020-23833?

CVE-2020-23833 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-2020-23833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23833?

CVE-2020-23833 affects Projectworlds House Rental. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23833?

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-2020-23833 published?

CVE-2020-23833 was published on 2020-09-15 and last updated on 2026-06-17.

CVE-2020-23833

CVE-2020-23833 is a critical-severity vulnerability in Projectworlds House Rental 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: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Projectworlds House Rental
Published: 2020-09-15
Last modified: 2026-06-17

Description

Projectworlds House Rental v1.0 suffers from an unauthenticated SQL Injection vulnerability, allowing remote attackers to execute arbitrary code on the hosting webserver via a malicious index.php POST request.

Frequently asked questions

What is CVE-2020-23833?: Projectworlds House Rental v1.0 suffers from an unauthenticated SQL Injection vulnerability, allowing remote attackers to execute arbitrary code on the hosting webserver via a malicious index.php POST request.
How severe is CVE-2020-23833?: CVE-2020-23833 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-2020-23833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23833?: CVE-2020-23833 affects Projectworlds House Rental. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23833?: 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-2020-23833 published?: CVE-2020-23833 was published on 2020-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:projectworlds:house_rental:1.0:*:*:*:*:*:*:*

Other CWE-89 (SQL Injection) vulnerabilities

CVE-2026-20030 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Crosswork engineering team…
CVE-2026-72811 — Critical (CVSS 10.0): SiYuan versions <= v3.7.2 contain a SQL injection vulnerability in the backlink/mention search query…
CVE-2026-72851 — Critical (CVSS 10.0): Budibase before 3.40.0 contains an unauthenticated SQL injection vulnerability in webhook-triggered automations with…
CVE-2026-72899 — Critical (CVSS 10.0): Metabase allows an unauthenticated attacker to inject arbitrary SQL via a publicly shared card or dashboard that…
CVE-2026-72898 — Critical (CVSS 10.0): Metabase allows a remote, unauthenticated attacker to inject arbitrary SQL via the '/reset_password' database endpoint…
CVE-2026-48330 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by an Improper Neutralization of Special Elements used in an SQL Command ('SQL…

Browse all CWE-89 (SQL Injection) vulnerabilities →