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CVE-2021-39317: AccessPress Themes - Authenticated Malicious File Upload

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-11 · updated 2026-06-17
• Weakness: CWE-285

Description

A WordPress plugin and several WordPress themes developed by AccessPress Themes are vulnerable to malicious file uploads via the plugin_offline_installer AJAX action due to a missing capability check in the plugin_offline_installer_callback function found in the /demo-functions.php file or /welcome.php file of the affected products. The complete list of affected products and their versions are below: WordPress Plugin: AccessPress Demo Importer <=1.0.6 WordPress Themes: accesspress-basic <= 3.2.1 accesspress-lite <= 2.92 accesspress-mag <= 2.6.5 accesspress-parallax <= 4.5 accesspress-root <= 2.5 accesspress-store <= 2.4.9 agency-lite <= 1.1.6 arrival <= 1.4.2 bingle <= 1.0.4 bloger <= 1.2.6 brovy <= 1.3 construction-lite <= 1.2.5 doko <= 1.0.27 edict-lite <= 1.1.4 eightlaw-lite <= 2.1.5 eightmedi-lite <= 2.1.8 eight-sec <= 1.1.4 eightstore-lite <= 1.2.5 enlighten <= 1.3.5 fotography <= 2.4.0 opstore <= 1.4.3 parallaxsome <= 1.3.6 punte <= 1.1.2 revolve <= 1.3.1 ripple <= 1.2.0 sakala <= 1.0.4 scrollme <= 2.1.0 storevilla <= 1.4.1 swing-lite <= 1.1.9 the100 <= 1.1.2 the-launcher <= 1.3.2 the-monday <= 1.4.1 ultra-seven <= 1.2.8 uncode-lite <= 1.3.3 vmag <= 1.2.7 vmagazine-lite <= 1.3.5 vmagazine-news <= 1.0.5 wpparallax <= 2.0.6 wp-store <= 1.1.9 zigcy-baby <= 1.0.6 zigcy-cosmetics <= 1.0.5 zigcy-lite <= 2.0.9

Affected products

• AccessPress Themes Access Demo Importer (WordPress plugin): before 1.0.7 — fixed in 1.0.7
• AccessPress Themes accesspress-lite: through 2.92
• AccessPress Themes accesspress-mag: through 2.6.5
• AccessPress Themes accesspress-parallax: through 4.5
• AccessPress Themes accesspress-root: through 2.5
• AccessPress Themes accesspress-store: through 2.4.9
• AccessPress Themes Accesspress Basic: through 3.2.1
• AccessPress Themes agency-lite: through 1.1.6
• AccessPress Themes arrival: through 1.4.2
• AccessPress Themes Bingle: through 1.0.4
• AccessPress Themes Bloger: through 1.2.6
• AccessPress Themes brovy: through 1.3
• AccessPress Themes construction-lite: through 1.2.5
• AccessPress Themes Doko: through 1.0.27
• AccessPress Themes edict-lite: through 1.1.4
• Accesspressthemes Eight-Sec: through 1.1.4
• Accesspressthemes Eightlaw-Lite: through 2.1.5
• Accesspressthemes Eightmedi-Lite: through 2.1.8
• Accesspressthemes Eightstore-Lite: through 1.2.5
• AccessPress Themes Enlighten: through 1.3.5
• AccessPress Themes FotoGraphy: through 2.4.0
• AccessPress Themes opstore: through 1.4.3
• AccessPress Themes ParallaxSome: through 1.3.6
• AccessPress Themes Punte: through 1.1.2
• AccessPress Themes Revolve: through 1.3.1
• AccessPress Themes Ripple: through 1.2.0
• AccessPress Themes sakala: through 1.0.4
• AccessPress Themes ScrollMe: through 2.1.0
• AccessPress Themes StoreVilla: through 1.4.1
• AccessPress Themes swing-lite: through 1.1.9

How to fix

Upgrade to a fixed version: AccessPress Themes Access Demo Importer (WordPress plugin) 1.0.7. Check the vendor advisory for mitigations.

References

• https://patchstack.com/articles/authenticated-vulnerability-in-unpatched-wordpress-themes/
• https://plugins.trac.wordpress.org/changeset/2592642/access-demo-importer/trunk/inc/demo-functions.php
• https://plugins.trac.wordpress.org/changeset/2602132/access-demo-importer/trunk/inc/demo-functions.php
• https://www.wordfence.com/blog/2021/10/high-severity-vulnerability-patched-in-access-demo-importer-plugin/
• https://patchstack.com/articles/authenticated-vulnerability-in-unpatched-wordpress-themes/
• https://plugins.trac.wordpress.org/changeset/2592642/access-demo-importer/trunk/inc/demo-functions.php
• https://plugins.trac.wordpress.org/changeset/2602132/access-demo-importer/trunk/inc/demo-functions.php
• https://www.wordfence.com/blog/2021/10/high-severity-vulnerability-patched-in-access-demo-importer-plugin/

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