Security readout for executives and security teams
Plain-English summary
This is a reflected cross-site scripting issue in a WordPress plugin. If a site runs Dropdown and scrollable Text up to version 2.0, an attacker may be able to make a user load malicious script through a crafted request. Business impact is mainly account/session exposure or misleading page content, not server takeover.
Executive priority
Treat this as a moderate web-application risk. It is not documented as actively exploited, but public WordPress exposure and user interaction make cleanup worthwhile, especially where administrators use the affected site.
Technical view
CVE-2021-38353 is CWE-79 in the Dropdown and scrollable Text WordPress plugin. Sources identify the content parameter in index.php as the injection point. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is limited to WordPress sites with the Dropdown and scrollable Text plugin installed and enabled in versions up to and including 2.0. The source bundle does not provide CPEs, install counts, or a confirmed fixed version.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and the cited sources do not state active exploitation. Successful abuse requires user interaction and would execute script in a victim's browser context rather than directly compromise the server.
Researcher notes
The evidence supports reflected XSS only for Dropdown and scrollable Text through version 2.0. The bundle does not identify a fixed release, proof of exploitation, or broader affected products. Keep conclusions bounded to the named plugin and verify status against vendor or WordPress repository guidance.
Mitigation direction
- Inventory WordPress sites for the Dropdown and scrollable Text plugin.
- Disable or remove the plugin where it is not business-critical.
- Check Wordfence and WordPress plugin guidance for an available safe version or retirement notice.
- Prioritize remediation on public sites with authenticated user or administrator traffic.
- Use existing WAF/XSS protections as temporary defense, not as a replacement for remediation.
Validation and detection
- Confirm whether the plugin is installed and enabled on each WordPress site.
- Record the installed plugin version and flag versions up to and including 2.0.
- Review web logs for unusual requests involving the plugin index.php and content parameter.
- Verify remediation by confirming the vulnerable plugin version is removed, disabled, or replaced.
- Document any compensating controls and remaining exposed sites.
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-2021-38353 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
- 6.1 (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: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:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38353CVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/browser/dropdown-and-scrollable-text/trunk/index.php?rev=2307131#L176CVE reference · x_refsource_MISC
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.