CVE-2011-1953: Multiple cross-site scripting (XSS) vulnerabilities in common.php in Post Revolution before 0.8.0c-2 allow rem

Q: How do I fix CVE-2011-1953?

post revolution: upgrade to newer than 0.8.0c. Exact commands for each OS are on this page.

Q: Is CVE-2011-1953 being exploited?

CVE-2011-1953 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-2011-1953 affect?

CVE-2011-1953 affects post revolution. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in common.php in Post Revolution before 0.8.0c-2 allow remote attackers to inject arbitrary web script or HTML via an attribute of a (1) P, a (2) STRONG, a (3) A, a (4) EM, a (5) I, a (6)

Q: How urgent is CVE-2011-1953?

Priority 37/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2011-1953 is a medium-severity flaw (CVSS 4.3) affecting post revolution. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in common.php in Post Revolution before 0.8.0c-2 allow remote attackers to inject arbitrary web script or HTML via an attribute of a (1) P, a (2) STRONG, a (3) A, a (4) EM, a (5) I, a (6) IMG, a (7) LI, an (8) OL, a (9) VIDEO, or a (10) BLOCKQUOTE element.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.1% (top 33%)
CISA exploited list	No
Weakness	CWE-79
Published	2011-06-06
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: postrev

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

Am I affected?

Timeline

2011-06-06 19:55 UTCPublished CVE record published
2026-06-16 23:30 UTCUpdated Record last modified

postrev post revolution UPGRADE

Affected: <= 0.8.0c · 0.6.2 beta · 0.6.3 beta · 0.6.4 · 0.6.5 · 0.6.6 · 0.7.0 rc1 · 0.7.0 rc2

Fixed in: newer than 0.8.0c

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy post-revolution || rpm -q post-revolution || post-revolution --version

2. UPGRADE to newer than 0.8.0c (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade post-revolution

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade post-revolution

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-2011-1953?

post revolution: upgrade to newer than 0.8.0c. Exact commands for each OS are on this page.

Is CVE-2011-1953 being exploited?

CVE-2011-1953 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-2011-1953 affect?

CVE-2011-1953 affects post revolution. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in common.php in Post Revolution before 0.8.0c-2 allow remote attackers to inject arbitrary web script or HTML via an attribute of a (1) P, a (2) STRONG, a (3) A, a (4) EM, a (5) I, a (6)

How urgent is CVE-2011-1953?

Priority 37/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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