CVE-2023-49967
CVE-2023-49967 is a high-severity vulnerability in Typecho with a CVSS 3.x base score of 7.5. 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-776.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (51st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-776
- Affected product: Typecho
- Published:
- Last modified:
Description
Typecho v1.2.1 was discovered to be vulnerable to an XML Quadratic Blowup attack via the component /index.php/action/xmlrpc.
Frequently asked questions
- What is CVE-2023-49967?
- Typecho v1.2.1 was discovered to be vulnerable to an XML Quadratic Blowup attack via the component /index.php/action/xmlrpc.
- How severe is CVE-2023-49967?
- CVE-2023-49967 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-49967 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-49967?
- CVE-2023-49967 primarily affects Typecho. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-49967?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-49967 published?
- CVE-2023-49967 was published on 2023-12-07 and last updated on 2026-06-17.
References
Affected products (3)
- cpe:2.3:a:typecho:typecho:1.2.1:-:*:*:*:*:*:*
- cpe:2.3:a:typecho:typecho:1.2.1:rc:*:*:*:*:*:*
- cpe:2.3:a:typecho:typecho:1.2.1:rc2:*:*:*:*:*:*
More vulnerabilities in Typecho
- CVE-2023-24114 — Critical (CVSS 9.8): typecho 1.1/17.10.30 was discovered to contain a remote code execution (RCE) vulnerability via install.php.
- CVE-2018-18753 — Critical (CVSS 9.8): Typecho V1.1 allows remote attackers to send shell commands via base64-encoded serialized data, as demonstrated by SSRF.
- CVE-2024-35540 — Critical (CVSS 9.0): A stored cross-site scripting (XSS) vulnerability in Typecho v1.3.0 allows attackers to execute arbitrary web scripts…
- CVE-2023-36299 — High (CVSS 8.8): A File Upload vulnerability in typecho v.1.2.1 allows a remote attacker to execute arbitrary code via the upload and…
- CVE-2024-35539 — Medium (CVSS 6.5): Typecho v1.3.0 was discovered to contain a race condition vulnerability in the post commenting function. This…
- CVE-2024-57369 — Medium (CVSS 6.4): Clickjacking vulnerability in typecho v1.2.1.
Other CWE-776 vulnerabilities
- CVE-2019-19144 — Critical (CVSS 9.8): XML External Entity Injection vulnerability in Quantum DXi6702 2.3.0.3 (11449-53631 Build304) devices via…
- CVE-2022-23640 — Critical (CVSS 9.8): Excel-Streaming-Reader is an easy-to-use implementation of a streaming Excel reader using Apache POI. Prior to…
- CVE-2014-2228 — Critical (CVSS 9.8): The XStream extension in HP Fortify SCA before 2.2 RC3 allows remote attackers to execute arbitrary code via unsafe…
- CVE-2013-4335 — Critical (CVSS 9.8): opOpenSocialPlugin 0.8.2.1, > 0.9.9.2, 0.9.13, 1.2.6: Multiple XML External Entity Injection Vulnerabilities
- CVE-2021-23926 — Critical (CVSS 9.1): The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from…
- CVE-2020-24590 — Critical (CVSS 9.1): The Management Console in WSO2 API Manager through 3.1.0 and API Microgateway 2.2.0 allows XML Entity Expansion attacks.