Security readout for executives and security teams
Plain-English summary
CVE-2022-25603 is a stored cross-site scripting issue in the MaxGalleria WordPress plugin up to version 6.2.5. An authenticated user with author or higher privileges could store malicious script content that may run when another user interacts with affected content. Business impact is usually limited but meaningful on multi-author sites.
Executive priority
Treat this as a moderate-priority WordPress plugin issue. It is not evidenced as actively exploited, but stored XSS can support session theft, content manipulation, or admin targeting when privileged contributor accounts are compromised or loosely governed.
Technical view
The source bundle identifies CWE-79 stored XSS in Max Foundry MaxGalleria for WordPress, versions <= 6.2.5. CVSS 3.1 is 4.8 with network access, low complexity, high privileges, required user interaction, changed scope, and low confidentiality and integrity impact. No affected parameter, fixed version, or exploit details are provided.
Likely exposure
Exposure is most likely on WordPress sites that have MaxGalleria installed at version 6.2.5 or earlier, especially where author-level users are numerous, externally managed, or less trusted. Single-admin sites have lower practical exposure but should still remediate.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires an authenticated author-or-higher account and user interaction, which reduces broad internet-scale risk but can matter after account compromise or on contributor-heavy WordPress environments.
Researcher notes
Evidence is limited to the CVE metadata and referenced plugin/advisory pages in the bundle. Do not assume a fixed version, affected field, public exploit, or exploitation in the wild from these sources alone. Validate against vendor and Patchstack records before closing remediation.
Mitigation direction
- Identify WordPress sites running MaxGalleria and confirm installed plugin versions.
- Check vendor or Patchstack guidance and upgrade to a non-affected release when identified.
- Disable or remove MaxGalleria where it is unnecessary or cannot be updated.
- Limit author-or-higher access to trusted users until remediation is complete.
- Review gallery content and recent privileged user activity for suspicious changes.
Validation and detection
- Confirm whether MaxGalleria version is 6.2.5 or earlier on each WordPress site.
- Verify the plugin version is no longer listed as affected after remediation.
- Review author, editor, and administrator accounts for unnecessary or stale access.
- Check security monitoring for unusual script-like content in gallery-related fields.
- Document compensating controls if an upgrade path is not available.
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-2022-25603 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
- 4.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/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:H/UI:R/S:C/C:L/I:L/A:N1.72.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.8MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wordpress.org/plugins/maxgalleria/CVE reference · x_refsource_CONFIRM
- https://patchstack.com/database/vulnerability/maxgalleria/wordpress-maxgalleria-plugin-6-2-5-stored-cross-site-scripting-xss-vulnerabilityCVE 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.
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.