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TI-2026-07796 Aliases CVE-2026-8874GHSA-58xm-2wvc-7p7f

Cleartext transmission of sensitive information in Securly Chrome Extension

Priority LOW 30CWE-319Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-319.

Summary

Version 3.0.7 of the Securly Chrome Extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted HTTP via the Fetch API. Other endpoints in the same extension correctly fetch IWF and CIPA data over HTTPS, demonstrating an inconsistent implementation of TLS.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00138 3rd percentileScored 2026-11-07
Fix Fixed Securly Chrome Extension (Securly): 3.0.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SecurlySecurly Chrome Extensionbefore 3.0.73.0.7Patch availableCNA
  • Securly Chrome Extension VendorSecurly Affected before 3.0.7 Fixed in 3.0.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:securly:securly:3.0.7:*:*:*:*:chrome:*:*3.0.7VulnerableSecurly
  • cpe:2.3:a:securly:securly:3.0.7:*:*:*:*:chrome:*:* Versions 3.0.7 Vulnerable ·Securly

Remediation

  • Fix · CNA Securly Chrome Extension (Securly) Fixed in 3.0.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-8874
  2. 2026-10-03 Alias added: GHSA-58xm-2wvc-7p7f

References

Advisory 1

  • TI-2026-07798 Hard-coded credentials in Securly Chrome Extension CVSS 3.1HIGH 7.3
  • TI-2026-07810 Regular expression denial of service in Securly Chrome Extension CVSS 3.1HIGH 7.5
  • TI-2026-07801 Version 3.0.7 of the Securly Chrome Extension dynamically registers content13.min.js as a… CVSS 3.1HIGH 7.5
  • TI-2026-07811 Version 3.0.7 of the Securly Chrome Extension uses deprecated SHA-1 hashing for IWF CSAM… CVSS 3.1HIGH 7.5
  • TI-2026-07803 Version 3.0.7 of the Securly Chrome Extension uses EVP_BytesToKey key derivation with MD5… CVSS 3.1HIGH 7.5
  • TI-2026-07800 Version 3.0.7 of the Securly Chrome Extension exposes multiple publicly accessible… CVSS 3.1HIGH 7.5

Sources

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