CVE-2020-35946: An issue was discovered in the All in One SEO Pack plugin before 3.6.2 for WordPress

Q: How do I fix CVE-2020-35946?

all in one seo pack: upgrade to 3.6.2. Exact commands for each OS are on this page.

Q: Is CVE-2020-35946 being exploited?

CVE-2020-35946 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-35946 affect?

CVE-2020-35946 affects all in one seo pack. Severity is medium (CVSS 5.4). An issue was discovered in the All in One SEO Pack plugin before 3.6.2 for WordPress. The SEO Description and Title fields are vulnerable to unsanitized input from a Contributor, leading to stored XSS.

Q: How urgent is CVE-2020-35946?

Priority 38/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2020-35946 is a medium-severity flaw (CVSS 5.4) affecting all in one seo pack. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the All in One SEO Pack plugin before 3.6.2 for WordPress. The SEO Description and Title fields are vulnerable to unsanitized input from a Contributor, leading to stored XSS.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-01-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: semperplugins

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-01-01 04:15 UTCPublished CVE record published
2026-06-17 03:14 UTCUpdated Record last modified

semperplugins all in one seo pack UPGRADE

Affected: < 3.6.2

Fixed in: 3.6.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy all-in-one-seo-pack || rpm -q all-in-one-seo-pack || all-in-one-seo-pack --version

2. UPGRADE to 3.6.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade all-in-one-seo-pack

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade all-in-one-seo-pack

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-35946?

all in one seo pack: upgrade to 3.6.2. Exact commands for each OS are on this page.

Is CVE-2020-35946 being exploited?

CVE-2020-35946 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-35946 affect?

CVE-2020-35946 affects all in one seo pack. Severity is medium (CVSS 5.4). An issue was discovered in the All in One SEO Pack plugin before 3.6.2 for WordPress. The SEO Description and Title fields are vulnerable to unsanitized input from a Contributor, leading to stored XSS.

How urgent is CVE-2020-35946?

Priority 38/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2019-16520 MEDIUM 5.4 UPGRADE The all-in-one-seo-pack plugin before 3.2.7 for WordPress (aka All in One SEO Pack) is susceptible to Stored X
CVE-2015-0902 MEDIUM 5.0 UPGRADE The Semper Fi All in One SEO Pack plugin before 2.2.6 for WordPress does not consider the presence of password
CVE-2013-5988 MEDIUM 6.1 UPGRADE A Cross-site Scripting (XSS) vulnerability exists in the All in One SEO Pack plugin before 2.0.3.1 for WordPre

References

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