Security readout for executives and security teams
Plain-English summary
CVE-2026-28100 is a reflected cross-site scripting issue in the WordPress UberSlider PerpetuumMobile plugin through version 2.3. An attacker could trick a user into opening a crafted link, potentially causing script execution in that user’s browser. No public source provided confirms active exploitation.
Executive priority
Treat as a timely WordPress plugin risk, especially for public sites. It is high severity but requires user interaction, so prioritize inventory and removal or update rather than emergency shutdown unless the plugin is widely deployed or used on sensitive sites.
Technical view
The CVE describes CWE-79 improper neutralization during web page generation in LambertGroup UberSlider PerpetuumMobile, package uberSlider_perpetuummobile. CVSS 3.1 is 7.1, network exploitable, low complexity, no privileges required, user interaction required, and changed scope with low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites using UberSlider PerpetuumMobile version 2.3 or earlier. The issue is not relevant to sites that do not have this plugin installed. The source bundle does not identify a fixed version or automatic update path.
Exploitation context
This is reflected XSS, so exploitation generally depends on persuading a user to visit a maliciously crafted URL or page. The CVE is not listed as KEV in the provided data, and the sources do not state that exploitation is occurring in the wild.
Researcher notes
Evidence is limited to the CVE record and Patchstack database reference. The bundle does not provide vulnerable parameters, proof-of-concept details, exploit-in-the-wild confirmation, or a named patched version. Avoid assuming broader LambertGroup products are affected without additional vendor evidence.
Mitigation direction
- Inventory WordPress sites for the uberSlider_perpetuummobile plugin.
- Disable or remove the plugin if it is not business-critical.
- Check vendor and Patchstack guidance for a fixed version or official workaround.
- Apply a trusted virtual patch or WAF rule if available.
- Prioritize sites with public traffic or privileged user access.
Validation and detection
- Confirm whether UberSlider PerpetuumMobile is installed on each WordPress site.
- Record installed plugin versions and flag version 2.3 or earlier.
- Review vendor and Patchstack pages for remediation updates.
- Check security monitoring for suspicious requests targeting the plugin.
- Verify compensating controls after disabling, updating, or virtual patching.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2026-28100 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
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.