Auth bypass in Accesspress Themes Access Demo Importer
CVE-2021-39317
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
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Accesspress Themes Access Demo Importer — versions 1.0.6
- Accesspress Themes Accesspress-Basic — versions 3.2.1
- Accesspress Themes Accesspress-Lite — versions 2.9.2
- Accesspress Themes Accesspress-Mag — versions 2.6.5
- Accesspress Themes Accesspress-Parallax — versions 4.5
- Accesspress Themes Accesspress-Root — versions 2.5
- Accesspress Themes Accesspress-Store — versions 2.4.9
- Accesspress Themes Agency-Lite — versions 1.1.6
- Accesspress Themes Arrival — versions 1.4.2
- Accesspress Themes Bingle — versions 1.0.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/blog/2021/10/high-severity-vulnerability-patched-in-access-de… (Exploit, Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2592642/access-demo-importer/trunk/inc/dem… (Patch, Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2602132/access-demo-importer/trunk/inc/dem… (Patch, Third Party Advisory)
- patchstack.com/articles/authenticated-vulnerability-in-unpatched-wordpress-them… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-39317?
- CVE-2021-39317 is a high-severity vulnerability in Accesspress Themes Access Demo Importer, classified under Improper Authorization. CVSS score: 8.8/10. Published 2021-10-11.
- How severe is CVE-2021-39317?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-39317 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.