Security readout for executives and security teams
Plain-English summary
Tickera versions through 3.6.0.2 contain a critical flaw that may let an unauthenticated remote attacker submit malicious serialized PHP data. Successful exploitation could compromise sensitive information, alter the site, or disrupt service. The sources do not establish exploitation in the wild.
Executive priority
Treat as an immediate remediation priority for internet-facing WordPress systems using affected Tickera versions. Establish exposure quickly, apply authoritative vendor remediation when confirmed, and consider temporary restriction or disablement where operationally acceptable. There is no supplied evidence of active exploitation.
Technical view
CVE-2026-82226 is an unauthenticated PHP object-injection vulnerability classified as CWE-502. Its CVSS 3.1 score is 9.8: network-accessible, low complexity, requiring neither privileges nor user interaction, with potentially high confidentiality, integrity, and availability impact. The supplied sources do not describe the vulnerable request path, gadget requirements, or confirmed execution outcomes.
Likely exposure
WordPress sites running an enabled Tickera plugin version at or below 3.6.0.2 may be exposed where the vulnerable functionality is remotely reachable. The bundle does not identify affected configurations, prerequisites, or reliable external indicators, so inventory and version confirmation are necessary.
Exploitation context
No CISA KEV listing or cited evidence of active exploitation is provided. The unauthenticated, network-accessible rating makes the vulnerability attractive, but practical exploitation may depend on application-specific PHP classes or other conditions not documented in the bundle.
Researcher notes
Public details are limited to unauthenticated PHP object injection, affected versions through 3.6.0.2, CWE-502, and CVSS 9.8. The sources supplied here do not identify the input vector, call path, usable gadget chain, patch version, workaround, proof of concept, or exploitation telemetry.
Mitigation direction
- Identify WordPress sites running Tickera and record each installed version.
- Prioritize sites using Tickera 3.6.0.2 or earlier for immediate review.
- Check Tickera or Patchstack guidance for an official fixed release or mitigation.
- Restrict exposure or disable the plugin if business operations permit until authoritative remediation is available.
- Preserve relevant web and application logs for investigation.
Validation and detection
- Confirm the Tickera plugin version from trusted administrative or asset-inventory records.
- Verify whether the plugin is enabled on each identified WordPress site.
- Review vendor guidance to confirm the first fixed version before closing remediation.
- Inspect logs for unusual unauthenticated requests or PHP deserialization-related errors.
- Recheck plugin status and version after remediation.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-82226 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9PatchstackVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://patchstack.com/database/wordpress/plugin/tickera-event-ticketing-system/vulnerability/wordpress-tickera-plugin-3-6-0-2-php-object-injection-vulnerability?_s_id=cveCVE reference, Patchstack · vdb-entry
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.