CVE-2020-21121
CVE-2020-21121 is a critical-severity vulnerability in Kliqqi Kliqqi Cms 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% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Kliqqi Kliqqi Cms
- Published:
- Last modified:
Description
Pligg CMS 2.0.2 contains a time-based SQL injection vulnerability via the $recordIDValue parameter in the admin_update_module_widgets.php file.
Frequently asked questions
- What is CVE-2020-21121?
- Pligg CMS 2.0.2 contains a time-based SQL injection vulnerability via the $recordIDValue parameter in the admin_update_module_widgets.php file.
- How severe is CVE-2020-21121?
- CVE-2020-21121 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-2020-21121 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-21121?
- CVE-2020-21121 affects Kliqqi Kliqqi Cms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-21121?
- 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-2020-21121 published?
- CVE-2020-21121 was published on 2021-09-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:kliqqi:kliqqi_cms:2.0.2:*:*:*:*:*:*:*
More vulnerabilities in Kliqqi Kliqqi Cms
- CVE-2024-31673 — Critical (CVSS 9.8): Kliqqi-CMS 2.0.2 is vulnerable to SQL Injection in load_data.php via the userid parameter.
- CVE-2020-21119 — Critical (CVSS 9.8): SQL Injection vulnerability in Kliqqi-CMS 2.0.2 in admin/admin_update_module_widgets.php in recordIDValue parameter,…
- CVE-2017-17902 — Critical (CVSS 9.8): SQL Injection exists in Kliqqi CMS 3.5.2 via the randkey parameter of a new story at the pligg/story.php?title= URI.
- CVE-2016-10756 — High (CVSS 8.8): Kliqqi 3.0.0.5 allows CSRF with resultant Arbitrary File Upload because module.php?module=upload can be used to…
- CVE-2018-11405 — High (CVSS 8.8): Kliqqi 2.0.2 has CSRF in admin/admin_users.php.
- CVE-2024-48700 — High (CVSS 7.2): Kliqqi-CMS has a background arbitrary code execution vulnerability that attackers can exploit to implant backdoors or…
All CVEs affecting Kliqqi Kliqqi Cms →
Other CWE-89 (SQL Injection) vulnerabilities
- CVE-2026-54350 — Critical (CVSS 10.0): Budibase is an open-source low-code platform. Prior to 3.39.12, an unauthenticated visitor of any published Budibase…
- CVE-2026-8054 — Critical (CVSS 10.0): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') in the Publish Audit API endpoints…
- CVE-2026-42287 — Critical (CVSS 10.0): Emlog is an open source website building system. Prior to version 2.6.11, direct SQL injection in article creation and…
- CVE-2026-3325 — Critical (CVSS 10.0): SQL injection (SQLi) in MegaCMS v12.0.0, specifically in the “id_territorio” parameter of the…
- CVE-2025-10878 — Critical (CVSS 10.0): A SQL injection vulnerability exists in the login functionality of Fikir Odalari AdminPando 1.0.1 before 2026-01-26.…
- CVE-2025-57792 — Critical (CVSS 10.0): Explorance Blue versions prior to 8.14.9 contain a SQL injection vulnerability caused by insufficient validation of…