CVE-2017-20254
CVE-2017-20254 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-2017-18981
- Weakness: CWE-89
- Published:
- Last modified:
Description
Joomla! Component User Bench 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the userid parameter. Attackers can send GET requests to index.php with the option=com_userbench&view=detail&userid parameter containing SQL injection payloads to extract sensitive database information including credentials and configuration data.
Frequently asked questions
- What is CVE-2017-20254?
- Joomla! Component User Bench 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the userid parameter. Attackers can send GET requests to index.php with the option=com_userbench&view=detail&userid parameter containing SQL injection payloads to extract sensitive database information including credentials and configuration data.
- How severe is CVE-2017-20254?
- CVE-2017-20254 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-2017-20254 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-2017-20254?
- 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-2017-20254 have an EU (EUVD) identifier?
- Yes. CVE-2017-20254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-18981.
- When was CVE-2017-20254 published?
- CVE-2017-20254 was published on 2026-06-19 and last updated on 2026-06-22.
References
- http://www.gegabyte.org/
- https://extensions.joomla.org/extensions/extension/directory-a-documentation/directory/user-bench/
- https://www.exploit-db.com/exploits/43357
- https://www.vulncheck.com/advisories/joomla-component-user-bench-sql-injection-via-userid
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