Security readout for executives and security teams
Plain-English summary
CVE-2026-22346 affects the WordPress plugin “Slider Responsive Slideshow – Image slider, Gallery slideshow” through version 1.5.4. It is a high-severity PHP object injection issue that could allow an authenticated user to compromise confidentiality, integrity, and availability. Prioritize sites using this plugin, especially where untrusted users can log in.
Executive priority
Treat as a priority for WordPress environments because the potential impact is full site compromise, but urgency depends on plugin deployment and user-account exposure. No active exploitation is confirmed in the provided sources.
Technical view
The issue is CWE-502, deserialization of untrusted data, in A WP Life’s slider-responsive-slideshow WordPress plugin through version 1.5.4. CVSS 3.1 is 8.8: network-accessible, low complexity, low privileges required, no user interaction, with high impact to confidentiality, integrity, and availability.
Likely exposure
Exposure is limited to WordPress installations with the affected plugin installed and enabled at version 1.5.4 or earlier. The CVSS vector indicates exploitation requires a low-privileged authenticated account, so public registration, subscriber accounts, or compromised credentials increase concern.
Exploitation context
The provided sources do not indicate CISA KEV listing or confirmed active exploitation. The vulnerability class can be serious in WordPress because object injection may be amplified by available PHP gadget chains, but no exploit chain is provided in the sources.
Researcher notes
Evidence is limited to the CVE record and Patchstack entry. Affected range is stated as through 1.5.4. The source bundle does not name a patched version, workaround, proof-of-concept, or exploitation in the wild.
Mitigation direction
- Inventory WordPress sites for the slider-responsive-slideshow plugin and version.
- If version is 1.5.4 or earlier, check vendor or Patchstack guidance immediately.
- Restrict or disable untrusted user registration where this plugin is present.
- Consider disabling the plugin if no safe update or vendor guidance is available.
- Review least-privilege access for WordPress accounts on affected sites.
Validation and detection
- Confirm plugin presence and version from WordPress admin or asset inventory.
- Check whether any affected site allows low-privileged user login.
- Review vendor, CVE, and Patchstack pages for updated remediation status.
- Look for unusual activity by low-privileged WordPress accounts.
- Document affected URLs, plugin versions, and remediation decisions.
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-2026-22346 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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.
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:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.