Security readout for executives and security teams
Plain-English summary
This issue can let a logged-in low-privilege WordPress user trigger reflected JavaScript in sites using the Activello theme up to version 1.4.4. It is not listed as known exploited in the provided sources, but public registration increases business risk.
Executive priority
Treat this as a moderate web risk. Prioritize externally reachable WordPress sites with Activello and public registration, but do not escalate as emergency exploitation without additional evidence.
Technical view
CVE-2022-45849 is an authenticated reflected XSS in Silkalns Activello for WordPress, affecting versions <= 1.4.4. CVSS 3.1 is 5.4: network reachable, low complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is most likely on WordPress sites with the Activello theme installed at version 1.4.4 or older, especially sites that allow public subscriber registration or many low-privilege accounts.
Exploitation context
The source bundle does not show CISA KEV status or cite active exploitation. Exploitation requires authenticated subscriber-level access or higher and user interaction, limiting urgency compared with unauthenticated XSS.
Researcher notes
The provided evidence is sparse: it identifies authenticated reflected XSS, affected theme/version boundary, CWE-79, and CVSS vector, but not the vulnerable parameter, fixed version, or exploit activity.
Mitigation direction
- Inventory WordPress sites using the Activello theme.
- Update Activello if vendor guidance identifies a fixed release.
- If no fixed release is available, replace or disable the theme.
- Restrict public registration and review unnecessary subscriber accounts.
- Monitor vendor, Patchstack, and WordPress theme guidance for remediation details.
Validation and detection
- Confirm whether Activello is installed on each WordPress site.
- Record the installed theme version and flag versions <= 1.4.4.
- Check whether public user registration is enabled.
- Review low-privilege accounts for unnecessary or suspicious access.
- Inspect logs for unusual authenticated requests tied to theme functionality.
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-2022-45849 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
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.