Security readout for executives and security teams
Plain-English summary
CVE-2026-2358 affects the WP ULike WordPress plugin through version 5.0.1. A logged-in user with Contributor or higher access can store script content in a shortcode attribute. The script runs when someone views the affected page, but the post must have at least one like for rendering.
Executive priority
Treat as a medium-priority website integrity risk. Prioritize public WordPress sites with multiple content contributors or weak account governance. The main business concern is unauthorized script execution affecting visitors or administrators who view injected pages.
Technical view
The issue is stored XSS in the [wp_ulike_likers_box] shortcode template attribute. The CVE states html_entity_decode() is applied to shortcode attributes without later output sanitization, bypassing WordPress wp_kses_post() filtering. CVSS is 6.4, PR:L, AC:L, scope changed, with low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress sites running WP ULike versions up to and including 5.0.1, where untrusted Contributor-level users can create or edit posts using shortcodes.
Exploitation context
No active exploitation is stated in the provided sources, and the CVE is not marked as KEV. Exploitation requires authenticated Contributor-level or higher access and a page condition where the affected post has at least one like.
Researcher notes
The vulnerable path centers on shortcode attribute handling and output rendering. The CVE notes the XSS only renders when the post has at least one like. Source evidence includes Wordfence, WordPress Trac code references, a GitHub commit, and a WordPress plugin changeset.
Mitigation direction
- Update WP ULike beyond affected versions when vendor guidance confirms the fixed release.
- Review the linked vendor commit and WordPress plugin changeset for remediation details.
- Restrict Contributor access to trusted users until remediation is complete.
- Audit posts using the wp_ulike_likers_box shortcode, especially with template attributes.
Validation and detection
- Inventory WordPress sites using WP ULike and identify plugin versions.
- Flag installations running WP ULike 5.0.1 or earlier.
- Review Contributor-authored posts for wp_ulike_likers_box shortcode usage.
- Confirm remediation by checking vendor release notes or the referenced code changes.
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
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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-2026-2358 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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:N/S:C/C:L/I:L/A:N3.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/74a7db23-f91c-452b-bc24-58fda69caf17?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/wp-ulike/trunk/includes/hooks/shortcodes.php#L209CVE reference
- https://plugins.trac.wordpress.org/browser/wp-ulike/trunk/includes/functions/utilities.php#L251CVE reference
- https://plugins.trac.wordpress.org/browser/wp-ulike/trunk/includes/functions/general.php#L375CVE reference
- https://github.com/Alimir/wp-ulike/commit/3dcce696ea251b3733448332cc167e03b2a17c12CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3475381%40wp-ulike%2Ftrunk&old=3457255%40wp-ulike%2Ftrunk&sfp_email=&sfph_mail=CVE reference
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.