Deserialization of untrusted data in BuddyForms WordPress Plugin
Priority HIGH 82CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
The BuddyForms WordPress plugin, in versions prior to 2.7.8, was affected by an unauthenticated insecure deserialization issue. An unauthenticated attacker could leverage this issue to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03824 90th 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
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | BuddyForms WordPress Plugin | All versions prior to version 2.7.8 | — | No fix listed | CNA |
- BuddyForms WordPress Plugin Vendor— Affected All versions prior to version 2.7.8 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:themekraft:buddyforms:*:*:*:*:*:wordpress:*:* | before 2.7.8 | Vulnerable | themekraft |
- cpe:2.3:a:themekraft:buddyforms:*:*:*:*:*:wordpress:*:* Versions before 2.7.8 Vulnerable ·themekraft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-26326
- 2026-10-03 Alias added: GHSA-c4hp-hwrc-92r3
- 2026-10-21 EPSS moved to the 90th–95th percentile
- 2026-10-25 EPSS moved to the 50th–90th percentile
- 2026-10-27 EPSS moved to the 90th–95th percentile
References
More themekraft Buddyforms vulnerabilities
- TI-2018-14965 The buddyforms plugin before 2.2.8 for WordPress has SQL injection. CVSS 3.0CRITICAL 9.8
- TI-2025-23249 WordPress BuddyForms plugin <= 2.10.2 - Local File Inclusion vulnerability CVSS 3.1HIGH 8.8
- TI-2024-07644 Improper privilege management in themekraft Post Form – Registration Form – Profile Form… CVSS 3.1HIGH 8.8
- TI-2024-21704 WordPress buddyforms plugin <= 2.8.8- Arbitrary File Read and SSRF vulnerability CVSS 3.1HIGH 8.6
- TI-2024-04780 BuddyForms <= 2.8.9 - Email Verification Bypass due to Insufficient Randomness CVSS 3.1MEDIUM 6.5
- TI-2024-11169 Cross-site scripting in themekraft Post Form – Registration Form – Profile Form for User… CVSS 3.1MEDIUM 6.4
Sources
- CVE-2023-26326 · CVE Program
- CVE-2023-26326 · NVD
- FIRST EPSS
- GHSA-c4hp-hwrc-92r3 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences