CVE-2026-3350
CVE-2026-3350 is a medium-severity vulnerability with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.4)
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-13916
- Weakness: CWE-79
- Published:
- Last modified:
Description
The Image Alt Text Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post title in all versions up to, and including, 1.8.2. This is due to insufficient input sanitization and output escaping when dynamically generating image alt and title attributes using a DOM parser. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Frequently asked questions
- What is CVE-2026-3350?
- The Image Alt Text Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post title in all versions up to, and including, 1.8.2. This is due to insufficient input sanitization and output escaping when dynamically generating image alt and title attributes using a DOM parser. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- How severe is CVE-2026-3350?
- CVE-2026-3350 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-3350 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-3350?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-3350 have an EU (EUVD) identifier?
- Yes. CVE-2026-3350 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13916.
- When was CVE-2026-3350 published?
- CVE-2026-3350 was published on 2026-03-21 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/browser/alt-manager/tags/1.8.2/inc/alm-empty-generator.php#L150
- https://plugins.trac.wordpress.org/browser/alt-manager/tags/1.8.2/inc/alm-empty-generator.php#L295
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3479531%40alt-manager&new=3479531%40alt-manager&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/cc09377b-f30b-414b-a551-d3689ddcc5a4?source=cve
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