CVE-2023-4971 json
Weaver Xtreme Theme Support < 6.3.1 - Admin+ PHP Object Injection
published 2023-10-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54807
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
The Weaver Xtreme Theme Support WordPress plugin before 6.3.1 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import a malicious file and a suitable gadget chain is present on the blog.
Patch / fix
- Unknown Weaver Xtreme Theme Support 6.3.1
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/421194e1-6c3f-4972-8f3c-de1b9d2bcb13 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Unknown Weaver Xtreme Theme Support
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
- Technology feeds
References
-
wpscan.com
/vulnerability/421194e1-6c3f-4972-8f3c-de1b9d2bcb13
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-4971
- NVD CVE-2023-4971
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.