Security readout for executives and security teams
Plain-English summary
CVE-2022-29440 affects the WordPress Promotion Slider plugin through version 3.3.4. A logged-in user with contributor-level access or higher could store malicious script content that later runs in another user’s browser. Business impact is mainly account/session exposure, content manipulation, and trust loss, not server takeover based on the provided evidence.
Executive priority
Treat this as a moderate WordPress application risk. It should be handled in normal vulnerability management timelines, faster if the plugin is present on externally facing sites with many content contributors or weak account governance.
Technical view
The issue is multiple authenticated stored XSS flaws in Micah Wood’s Promotion Slider WordPress plugin <= 3.3.4. CVSS 3.1 is 5.4, with network access, low complexity, low privileges, required user interaction, changed scope, low confidentiality impact, low integrity impact, and no availability impact.
Likely exposure
Exposure is limited to WordPress sites that have Promotion Slider installed at version 3.3.4 or earlier. Risk is higher where untrusted or weakly governed contributor, author, editor, or admin accounts can access plugin-related content workflows.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires authenticated access at contributor level or higher and later interaction by another user who views affected stored content.
Researcher notes
Evidence supports authenticated stored XSS, CWE-79, and affected versions <= 3.3.4. The bundle does not provide exploit details, a confirmed fixed version, or vendor remediation text. Avoid assuming unauthenticated exposure or active exploitation without additional sourced evidence.
Mitigation direction
- Inventory WordPress sites for Promotion Slider version 3.3.4 or earlier.
- Check the WordPress plugin page and Patchstack advisory for current vendor guidance.
- Disable or remove Promotion Slider where it is not business-critical.
- Restrict contributor-or-higher access to trusted users only.
- Review privileged WordPress accounts for stale or unnecessary access.
Validation and detection
- Confirm whether Promotion Slider is installed on each WordPress site.
- Record the installed plugin version and compare it with <= 3.3.4 exposure.
- Review user roles with contributor, author, editor, or administrator permissions.
- Check whether any affected site still needs this plugin for production content.
- Document compensating controls if vendor remediation is unavailable or unclear.
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-2022-29440 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
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wordpress.org/plugins/promotion-slider/CVE reference · x_refsource_CONFIRM
- https://patchstack.com/database/vulnerability/promotion-slider/wordpress-promotion-slider-plugin-3-3-4-multiple-authenticated-stored-cross-site-scripting-xss-vulnerabilitiesCVE reference · x_refsource_CONFIRM
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.