CVE & CISA-KEV Catalog

CVE-2021-39317

HIGHEPSS 75th pctl
8.8
CVSS v3
NVD

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

How to fix

Remediation Available
access demo importerNVD
Affected:< 1.0.7Fixed in:1.0.7CVE-2021-39317derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.71%probability of exploitation in 30 days
75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Related Vulnerabilities

Other CWE-285 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-29927Critical9.199%-Fix
CVE-2023-32707High8.879%-Fix
CVE-2021-28799Critical10.078%KEV + RansomFix
CVE-2023-48241High7.573%-Fix
CVE-2023-22480High7.367%-Fix
CVE-2022-3229Critical9.866%--

Common questions

How do I fix CVE-2021-39317?

Upgrade access demo importer to 1.0.7 or later.

Is CVE-2021-39317 being actively exploited?

Not that we know of. CVE-2021-39317 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.7% is the estimated probability that it will be exploited in the next 30 days. That is higher than 75% of all scored CVEs.

How severe is CVE-2021-39317?

CVE-2021-39317 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-39317 affect?

Published advisories record a fix for access demo importer (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2021-39317 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.