Security readout for executives and security teams
Plain-English summary
CVE-2025-22727 is a stored cross-site scripting issue in the WordPress MailChimp Subscribe Forms plugin from PluginOps through version 4.1. A lower-privileged user may be able to store content that later runs in another user’s browser. Business risk is highest where WordPress admin users manage marketing forms or subscriber data.
Executive priority
Treat as a moderate-priority WordPress plugin risk. Prioritize internet-facing sites, marketing sites with many administrators, and environments where WordPress compromise could affect customer trust or campaign operations.
Technical view
The issue is CWE-79 improper neutralization during web page generation in mailchimp-subscribe-sm. The CVSS 3.1 score is 6.5 with network access, low complexity, low privileges required, user interaction required, and changed scope. The source bundle identifies affected versions as through <=4.1, though one affected-version field is inconsistent.
Likely exposure
Exposure is likely limited to WordPress sites with PluginOps MailChimp Subscribe Forms installed at version 4.1 or earlier. Sites not using this plugin are not affected based on the supplied sources.
Exploitation context
The supplied bundle does not show CISA KEV listing or active exploitation evidence. Stored XSS can still matter because malicious content may persist and execute when an admin or visitor views affected plugin output.
Researcher notes
Do not assume a patched version from the supplied bundle. The description says versions through <=4.1 are affected, while the structured affected array lists version 0 and defaultStatus unaffected, so confirm against vendor or Patchstack records before closure.
Mitigation direction
- Inventory WordPress sites for the mailchimp-subscribe-sm plugin.
- Check vendor, WordPress, and Patchstack guidance for a fixed release.
- Upgrade if a vendor-confirmed fixed version is available.
- Disable or remove the plugin if no safe fixed version is confirmed.
- Restrict plugin administration to trusted accounts.
Validation and detection
- Confirm installed plugin name and version on each WordPress site.
- Flag any instance running version 4.1 or earlier.
- Review affected form and subscriber-management pages for untrusted stored content.
- Check web logs for unusual authenticated plugin-management activity.
- Document compensating controls if the plugin cannot be removed promptly.
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-2025-22727 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
- 6.5 (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: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.
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:L/UI:R/S:C/C:L/I:L/A:L2.33.7PatchstackVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
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
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.