Vulnerability · CVE-2025-5291
The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's masterslider_pb and ms_slide shortcodes in all versio
Published Jun 17, 2025 · catalog updated Apr 8, 2026 · Averta Master Slider – Responsive Touch Slider
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-5291. EPSS is 0.26%. Act only if a listed version of Averta Master Slider – Responsive Touch Slider is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium6.4
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.26%
- Remediation
- Vendor / distro source
- Affected products
- vendor Averta Master Slider – Responsive Touch Slider 0 ≤3.10.8
The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's masterslider_pb and ms_slide shortcodes in all versions up to, and including, 3.10.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Averta Master Slider – Responsive Touch Slider 0 ≤3.10.80 ≤3.10.8
How to fix CVE-2025-5291
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 0 ≤3.10.8
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-5291. EPSS is 0.26%. Act only if a listed version of Averta Master Slider – Responsive Touch Slider is installed.
Which versions are affected?
Compare what you have installed with Averta Master Slider – Responsive Touch Slider 0 ≤3.10.8 0 ≤3.10.8. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Jun 17, 2025 · EUVD
Detected
The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's masterslider_pb and ms_slide shortcodes in all versions up to, and including, 3.10.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inje
Apr 8, 2026 · EUVD
Updated
The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's masterslider_pb and ms_slide shortcodes in all versions up to, and including, 3.10.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inje
Sources
- CVE.orgVulnerability recordCVE-2025-5291
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-5291
30-day exploitation probability 0.26%
first.org - EUVDVulnerability recordEUVD-2025-18489
The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's masterslider_pb and ms_slide shortcodes in all versions up to, and including, 3.10.8 due to insufficient input sanitization and output escaping on user s
euvd.enisa.europa.eu
References
- EUVD record · euvd.enisa.europa.eu
- EUVD reference · plugins.trac.wordpress.org
- EUVD reference · plugins.trac.wordpress.org
- EUVD reference · plugins.trac.wordpress.org
- EUVD reference · plugins.trac.wordpress.org
- EUVD reference · plugins.trac.wordpress.org
- EUVD reference · wordpress.org
- EUVD reference · wordfence.com
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 23, 2026
- CVE.orgOct 21, 2026
- EUVDOct 18, 2026