CVE-2020-27459
CVE-2020-27459 is a medium-severity vulnerability in Chronoengine Chronoforums with a CVSS 3.x base score of 6.1. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Chronoengine Chronoforums
- Published:
- Last modified:
Description
Chronoforeum 2.0.11 allows Stored XSS vulnerabilities when inserting a crafted payload into a post. If any user sees the post, the inserted XSS code is executed.
Frequently asked questions
- What is CVE-2020-27459?
- Chronoforeum 2.0.11 allows Stored XSS vulnerabilities when inserting a crafted payload into a post. If any user sees the post, the inserted XSS code is executed.
- How severe is CVE-2020-27459?
- CVE-2020-27459 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-27459 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-27459?
- CVE-2020-27459 affects Chronoengine Chronoforums. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-27459?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-27459 published?
- CVE-2020-27459 was published on 2020-11-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:chronoengine:chronoforums:2.0.11:*:*:*:*:joomla:*:*
More vulnerabilities in Chronoengine Chronoforums
- CVE-2021-28377 — Medium (CVSS 5.3): ChronoForums 2.0.11 allows av Directory Traversal to read arbitrary files.
- CVE-2021-28376 — Low (CVSS 2.7): ChronoForms 7.0.7 allows fname Directory Traversal to read arbitrary files.
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