Security readout for executives and security teams
Plain-English summary
A flaw in the WordPress "Nifty Backups" plugin (versions up to 1.08) lets an attacker craft a malicious link that, when clicked by a logged-in user, can run unwanted code in that user's browser. The risk is mainly to WordPress administrators who use this plugin, and an attack requires tricking someone into clicking a poisoned link.
Executive priority
Treat as a near-term remediation item for any site running this plugin. The impact is bounded to WordPress sites using Nifty Backups, but a successful click-through attack against an admin can compromise site content and visitor trust, so removal or update should be scheduled within the current patch cycle.
Technical view
CVE-2025-52763 is a Reflected Cross-Site Scripting (XSS) issue (CWE-79) in the Nifty Backups WordPress plugin through version 1.08, caused by improper neutralization of input rendered into web page output. CVSS 3.1 base score is 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L), indicating network-reachable exploitation that requires user interaction and can cross trust boundaries to impact the broader site context.
Likely exposure
WordPress sites that have the Nifty Backups plugin installed at version 1.08 or earlier. Per the source bundle, no fixed version is identified, so all known releases through 1.08 should be treated as exposed until vendor guidance confirms otherwise.
Exploitation context
No public reports of active exploitation are cited in the source bundle, and CISA KEV does not list this CVE. Exploitation requires user interaction — a victim must follow an attacker-crafted link — and scope-changed impact suggests successful payloads can affect components beyond the plugin, such as a logged-in administrator session.
Researcher notes
CVSS 3.1 vector AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L aligns with a classic reflected XSS where an unauthenticated attacker delivers a payload that executes in a victim's authenticated context. The CVE record lists affected versions only as "0" with default status "unaffected," which is ambiguous; rely on the title and description bounding exposure to versions through 1.08. No CPE entries are provided, and the only third-party reference is the Patchstack advisory.
Mitigation direction
- Inventory WordPress sites and identify any using the Nifty Backups plugin at version 1.08 or earlier.
- Check the Patchstack advisory and the WordPress plugin page for an updated release or vendor guidance.
- If no fix is available, deactivate and remove the plugin until the vendor publishes a patched version.
- Apply WAF rules that filter reflected XSS payloads on plugin endpoints and enforce strict Content Security Policy headers.
- Educate administrators to avoid clicking unsolicited admin-area links and to use isolated browsers for WordPress administration.
Validation and detection
- Confirm plugin presence and version via wp-admin Plugins page or by checking wp-content/plugins/nifty-backups for the readme.txt version.
- Track the Patchstack reference and vendor changelog for a patched release post-1.08.
- Review web server and WAF logs for suspicious query strings or referrers targeting plugin URLs.
- Audit administrator accounts for unexpected sessions, password changes, or new users that could indicate prior session hijack.
- Re-test affected pages after remediation to verify reflected input is properly encoded before rendering.
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-2025-52763 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
- High
- CVSS
- 7.1 (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: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.
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:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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.