CVE-2017-20262
CVE-2017-20262 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. 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: High (CVSS 3.x base score 8.2)
- CVSS v4: 8.8
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2017-18989
- Weakness: CWE-89
- Published:
- Last modified:
Description
Joomla! Component Ajax Quiz 1.8 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the cid parameter. Attackers can send GET requests to index.php with the option=com_ajaxquiz and view=ajaxquiz parameters to extract sensitive database information including table names and column structures.
Frequently asked questions
- What is CVE-2017-20262?
- Joomla! Component Ajax Quiz 1.8 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the cid parameter. Attackers can send GET requests to index.php with the option=com_ajaxquiz and view=ajaxquiz parameters to extract sensitive database information including table names and column structures.
- How severe is CVE-2017-20262?
- CVE-2017-20262 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2017-20262 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2017-20262?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2017-20262 have an EU (EUVD) identifier?
- Yes. CVE-2017-20262 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-18989.
- When was CVE-2017-20262 published?
- CVE-2017-20262 was published on 2026-06-19 and last updated on 2026-06-23.
References
- http://webkul.com/
- https://extensions.joomla.org/extensions/extension/living/education-a-culture/ajaxquiz/
- https://www.exploit-db.com/exploits/42532
- https://www.vulncheck.com/advisories/joomla-component-ajax-quiz-sql-injection
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