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TI-2023-27325 Aliases CVE-2023-49967GHSA-mx48-cppf-pvxc

Typecho v1.2.1 was discovered to be vulnerable to an XML Quadratic Blowup attack via the…

Priority HIGH 72CWE-776Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Typecho v1.2.1 was discovered to be vulnerable to an XML Quadratic Blowup attack via the component /index.php/action/xmlrpc.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00749 55th 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

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:typecho:typecho:1.2.1:-:*:*:*:*:*:*1.2.1VulnerableTypecho
cpe:2.3:a:typecho:typecho:1.2.1:rc:*:*:*:*:*:*1.2.1 rcVulnerableTypecho
cpe:2.3:a:typecho:typecho:1.2.1:rc2:*:*:*:*:*:*1.2.1 rc2VulnerableTypecho
  • cpe:2.3:a:typecho:typecho:1.2.1:-:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·Typecho
  • cpe:2.3:a:typecho:typecho:1.2.1:rc:*:*:*:*:*:* Versions 1.2.1 rc Vulnerable ·Typecho
  • cpe:2.3:a:typecho:typecho:1.2.1:rc2:*:*:*:*:*:* Versions 1.2.1 rc2 Vulnerable ·Typecho

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-49967
  2. 2026-10-03 Alias added: GHSA-mx48-cppf-pvxc

References

Exploit 1

  • TI-2023-09861 typecho 1.1/17.10.30 was discovered to contain a remote code execution (RCE) vulnerability via install.php. CVSS 3.1CRITICAL 9.8
  • TI-2024-23463 A stored cross-site scripting (XSS) vulnerability in Typecho v1.3.0 allows attackers to… CVSS 3.1CRITICAL 9.0
  • TI-2024-23462 Typecho v1.3.0 was discovered to contain a race condition vulnerability in the post… CVSS 3.1MEDIUM 6.5
  • TI-2024-23461 Typecho v1.3.0 was discovered to contain a Client IP Spoofing vulnerability, which allows… CVSS 3.1MEDIUM 5.3
  • TI-2020-13970 Open redirect vulnerability in typecho 1.1-17.10.30-release via the referer parameter to Login.php. CVSS 3.1MEDIUM 6.1
  • TI-2024-30999 A cross-site scripting (XSS) vulnerability in Typecho v1.2.1 allows attackers to execute… CVSS 3.1MEDIUM 5.4
See all 17 →

Sources

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