CVE-2013-5988: A Cross-site Scripting (XSS) vulnerability exists in the All in One SEO Pack plugin before 2.0.3.1 for WordPre

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MEDIUM 6.1UPGRADE

CVE-2013-5988 is a medium-severity flaw (CVSS 6.1) affecting all in one seo pack. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross-site Scripting (XSS) vulnerability exists in the All in One SEO Pack plugin before 2.0.3.1 for WordPress via the Search parameter.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-02-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: semperplugins

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-02-11 18:15 UTCPublished CVE record published
2026-06-16 23:59 UTCUpdated Record last modified

semperplugins all in one seo pack UPGRADE

Affected: >= 1.3.6.4 and <= 1.6.15.2 · >= 2.0 and < 2.0.3.1

Fixed in: 2.0.3.1

Safe to downgrade to: a release before 1.3.6.4

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 2.0.3.1 (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.

3. If no update is available yet, DOWNGRADE to a release before 1.3.6.4 (Debian / Ubuntu)

apt-cache madison all-in-one-seo-pack sudo apt install all-in-one-seo-pack=<VERSION_BEFORE_1.3.6.4> sudo apt-mark hold all-in-one-seo-pack

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list all-in-one-seo-pack sudo dnf downgrade all-in-one-seo-pack-<VERSION_BEFORE_1.3.6.4> sudo dnf versionlock add all-in-one-seo-pack

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2013-5988?

all in one seo pack: upgrade to 2.0.3.1. Exact commands for each OS are on this page.

Is CVE-2013-5988 being exploited?

CVE-2013-5988 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-2013-5988 affect?

CVE-2013-5988 affects all in one seo pack. Severity is medium (CVSS 6.1). A Cross-site Scripting (XSS) vulnerability exists in the All in One SEO Pack plugin before 2.0.3.1 for WordPress via the Search parameter.

How urgent is CVE-2013-5988?

Priority 43/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2020-35946 MEDIUM 5.4 UPGRADE An issue was discovered in the All in One SEO Pack plugin before 3.6.2 for WordPress
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

References

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