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TI-2024-10063 Aliases CVE-2024-10855GHSA-5v32-g299-xh57

Authorization bypass in sirv Image Optimizer, Resizer and CDN – Sirv

Priority LOW 36CWE-639Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to insufficient validation on the filename parameter of the sirv_upload_file_by_chunks() function and lack of in all versions up to, and including, 7.3.0. This makes it possible for authenticated attackers, with Contributor-level access and above, to delete arbitrary option values on the WordPress site. This can be leveraged to delete an option that would create an error on the site and deny service to legitimate users.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00544 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
sirvImage Optimizer, Resizer and CDN – Sirvup to 7.3.0—No fix listedCNA
  • Image Optimizer, Resizer and CDN – Sirv Vendorsirv Affected up to 7.3.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sirv:sirv:*:*:*:*:*:wordpress:*:*before 7.3.1Vulnerablesirv
  • cpe:2.3:a:sirv:sirv:*:*:*:*:*:wordpress:*:* Versions before 7.3.1 Vulnerable ·sirv

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-10855
  2. 2026-10-03 Alias added: GHSA-5v32-g299-xh57

References

Patch 1

Advisory 1

Other 1

  • TI-2024-05428 Image Optimizer, Resizer and CDN – Sirv <= 7.2.6 - Authenticated (Contributor+) Arbitrary File Upload CVSS 3.1CRITICAL 9.9
  • TI-2024-07862 Missing authorization in sirv Image Optimizer, Resizer and CDN – Sirv CVSS 3.1HIGH 8.8
  • TI-2016-08988 The sirv plugin before 1.3.2 for WordPress has SQL injection via the id parameter. CVSS 3.1HIGH 8.8
  • TI-2024-21826 WordPress Sirv plugin <= 7.2.2 - Arbitrary Option Update to Privilege Escalation vulnerability CVSS 3.1HIGH 8.8
  • TI-2023-27801 WordPress Image Optimizer, Resizer and CDN – Sirv plugin <= 7.1.2 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
  • TI-2024-18553 WordPress Sirv plugin <= 7.2.0 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
See all 10 →

Sources

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