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TI-2021-09531 Aliases CVE-2021-28377GHSA-8p5v-jw4g-v47q

ChronoForums 2.0.11 allows av Directory Traversal to read arbitrary files.

Priority LOW 35CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

ChronoForums 2.0.11 allows av Directory Traversal to read arbitrary files.

Why it matters now

EPSS 0.0852 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:chronoengine:chronoforums:2.0.11:*:*:*:*:joomla:*:*2.0.11VulnerableChronoengine
  • cpe:2.3:a:chronoengine:chronoforums:2.0.11:*:*:*:*:joomla:*:* Versions 2.0.11 Vulnerable ·Chronoengine

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28377
  2. 2026-10-03 Alias added: GHSA-8p5v-jw4g-v47q
  3. 2026-11-05 EPSS moved to the 95th–99th percentile

References

Exploit 1

  • TI-2020-16669 Chronoforeum 2.0.11 allows Stored XSS vulnerabilities when inserting a crafted payload… CVSS 3.1MEDIUM 6.1
  • TI-2021-09530 ChronoForms 7.0.7 allows fname Directory Traversal to read arbitrary files. CVSS 3.1LOW 2.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences