Security readout for executives and security teams
Plain-English summary
CVE-2026-3350 is a stored cross-site scripting issue in the WordPress Image Alt Text Manager plugin through version 1.8.2. A logged-in user with Author-level access or higher could place script content in a post title that later runs for people viewing the affected page.
Executive priority
Treat as a moderate-priority web application risk. Prioritize sites with many authors or external content contributors. While not known exploited from provided sources, stored XSS can affect site integrity and user trust.
Technical view
The plugin insufficiently sanitizes post titles and escapes output when dynamically generating image alt and title attributes using a DOM parser. This enables authenticated Author+ attackers to inject stored JavaScript. The CVSS 3.1 score is 6.4, with low privileges required and potential confidentiality and integrity impact.
Likely exposure
Exposure is most likely on WordPress sites using Image Alt Text Manager versions up to and including 1.8.2, especially sites allowing multiple authors, contributors promoted to Author, or third-party content teams.
Exploitation context
Public sources provided do not show CISA KEV listing or active exploitation. Exploitation requires a valid Author-level or higher WordPress account, but stored XSS can persist and execute when users access the injected page.
Researcher notes
CWE-79 stored XSS via post title. Wordfence and CVE data identify versions through 1.8.2. WordPress Trac references point to affected generator code and a changeset, but the supplied bundle does not clearly name a fixed version.
Mitigation direction
- Inventory WordPress sites for the Image Alt Text Manager plugin.
- Identify installations running version 1.8.2 or earlier.
- Check the vendor or WordPress plugin page for patched release guidance.
- Update or disable the plugin where vendor guidance recommends it.
- Restrict Author-level access to trusted users only.
- Review content workflows for untrusted or third-party authors.
Validation and detection
- Confirm plugin presence and installed version across WordPress assets.
- Review whether untrusted users have Author-level or higher access.
- Inspect recent post titles from Author-level accounts for suspicious script-like content.
- Verify vendor patch notes or changeset address sanitization and escaping.
- Retest affected pages after remediation for unexpected script execution.
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-2026-3350 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
- 6.4 (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/cc09377b-f30b-414b-a551-d3689ddcc5a4?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/alt-manager/tags/1.8.2/inc/alm-empty-generator.php#L150CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3479531%40alt-manager&new=3479531%40alt-manager&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.